Wednesday, 7 August 2019

Application of Immunity in the Prosecution of Serving Senior State Officials Over International Crimes


Abstract
The immunities of serving senior State officials charged with the most serious crimes of international concern: genocide, crimes against humanity, war crimes and aggression remain a hotly debated concept of international criminal law. Existing judicial authorities have not helped to calm the tides of this debate. In some cases, Courts have considered that crimes under international law are not part of the functions of the State and, consequently, they have not recognized immunity. In other cases, however, Courts have considered that these are acts clearly exercised in an official capacity, even if they are illegal, and have therefore granted immunity. While Courts and scholars alike are yet to reach a consensus on this, it appears that on the basis of the weight of recent decisions such as the 27 July 2017 International Criminal Court (“ICC”) Decision under article 87(7) of the Rome Statute on the non-compliance by South Africa with the request by the ICC for the arrest and surrender of President Omar Al-Bashir of Sudan, the arguments now appear to swing towards waiving immunities for crimes committed in violation of international crimes and holding serving State officials responsible for their crimes while they are still in office.

·         Maurice Canice Chukwu, LLM (With Distinction), (With Best Performance Award), (With Best Dissertation Award) in International Human rights Law - Brunel University London; LLB (Hons.) UNIZIK; BL (Hons.) Nigerian Law School, Chevening Scholar

INTRODUCTION
This article considers the concept of immunities in international law and how it has been applied or interpreted in the prosecution of serving senior State officials charged with the most serious crimes of international concern: genocide, crimes against humanity, war crimes and aggression.[1] The applicability of this doctrine in international law exposes multifaceted tensions[2] between goals of internationals stability and legal accountability, and has constantly created a chasm between jurists, practitioners, scholars, and other stakeholders in the international criminal justice system.

This article finds that unlike the fairly well settled law on immunities before national courts, the law of personal immunity, especially before international courts, is in a state of flux. In some cases, such as the in the Al‐Adsani v. United Kingdom [3] and Jones v Ministry of Interior Al-Mamlaka Al-Arabiya AS Saudiya,[4] courts have considered that acts performed by serving senior state officials are acts clearly exercised in an official capacity, even if they are unlawful, and have granted immunity. In others, such as Samantar v Yousuf,[5] courts have considered that crimes under international law are not part of the functions of State officials and have not recognized immunity. Of particular significance is the recent interpretation given by the International Criminal Court (“ICC”) that immunity is ousted upon the referral of a situation to the ICC prosecutor by the UN Security Council.[6] While it is not likely that a consensus will be arrived at by judges or scholars, this work contends that on the basis of the weight of recent decisions, the arguments swing towards waiving immunities for crimes committed in violation of international crimes and holding these officials responsible for their crimes while they are still in office.

This article is divided into five parts. The first part is introductory and considers the meaning, purpose and categories of immunities. The second part examines the applicability of personal immunities before national courts. The third part discusses personal immunities before international courts. The fourth part analyses the concept of functional immunities in criminal cases and in the violation of jus cogen norms, and the practical operation of immunities before the ICC. The final part summarizes the work and makes tentative recommendations.
1.0    Meaning and Basis of Immunities
The general theory of state immunity is that a state is absolutely immune from the jurisdiction of foreign courts.[7] Immunities in international law espouses the principle that sovereign states cannot exercise power, including judicial power, over another.[8] This is because all states are equal, and it would contradict the sovereign equality of states if one state could sit in judgment over the acts of another.[9] The doctrine of immunities is based on two reasons: First, states must not interfere with public acts of independent states.[10] Secondly, the judiciary should not interfere with the conduct of foreign policy by either national or foreign governmental authorities. [11] Immunity is generally recognized as a rule of customary international law. Immunity is of two categories: personal immunity (immunity ratione personae) and functional immunity (immunity rationale materiae).

Personal Immunity (Immunity Ratione Personae)
Personal immunity attaches to the status of the individual official. It covers all acts, whether private or official, that are performed by such persons prior to or during their term of office.[12] It is enjoyed solely by foreign officials occupying senior or high-level government posts, such as Heads of State, Heads of Government and Ministers for Foreign Affairs. They also apply to diplomats and other officials on special missions in foreign states.[13] The purpose of personal immunity is to ensure that high ranking officials may act freely on the inter-State level without interference.[14] It ends when this category of officials complete their service.[15]

The absolute nature of immunity ratione personae has lately come under scrutiny[16] as it has been suggested that there is no immunity of any kind for international crimes. This line of argument was however, rejected by the ICJ in the Arrest Warrant case. However, those vested with personal immunity may still be prosecuted: (1) before the courts of their States; (2) by foreign countries if immunity is waived by the sending states; (3) once they leave office in respect of acts committed prior or subsequent to the period of office, as well as acts committed during the period of office in a private capacity and; (4) before certain international criminal courts imbued with jurisdictional competence.[17]

Guilfoyle argues that for an official who enjoys the support of his State, prosecution before national courts, or a waiver of immunity may be unlikely.[18] Nevertheless, the absolute nature of personal immunity has always been confirmed by the courts.[19]

Functional Immunity (Immunity Rationale Materiae)
Functional immunity means the immunity from foreign criminal jurisdiction that is enjoyed by State officials on the basis of the acts which they perform in the discharge of their mandate and which can be described as official acts. These acts cannot be attributed to state officials in their personal capacity and the official cannot be called to account for them personally. State officials are assumed to have acted on behalf of the state whenever they have acted within the context of the exercise of state authority under international law.[20] Functional immunity is predicated on the absence of the rule of individual responsibility and continues after the official has left office. Some commentators argue that international crimes do not qualify as acts of the states but are seen as acts of the individual that performs the act, and hence are not official acts for the purpose of the rule of functional immunity.[21]

2.0 Personal Immunities Before National Courts
Prior to the decision in the Arrest Warrant case, the position of the law relating to personal immunity before national courts has been an uncertain[22] and obscure[23] area of state practice. Thereafter, personal immunity has been upheld before national courts.[24]

The Arrest Warrant case
The concept of personal immunity both at the individual and state levels came under consideration in the Arrest Warrant case of 11 April 2000 (Congo v. Belgium).[25] In that case, Belgium issued an international warrant of arrest against Abdullaye Yerodia, the serving Congo Minister of Foreign Affairs for crimes against humanity.[26] The arrest warrant was issued under a Belgium Law concerning the punishment of serious violations of international humanitarian law. The majority of the judges of the ICJ found the arrest warrant unlawful, holding that serving state officials are immune from criminal trial abroad regardless of the severity of the charges.[27] The court explained that immunity from criminal jurisdiction and individual criminal responsibility are quite separate concepts. While jurisdictional immunity is procedural in nature, criminal responsibility is a question of substantive law. The court then added a caveat that immunity is not a license to impunity as it can only bar prosecution for a certain period or for certain offices but does not exonerate the person to whom it applies from all criminal responsibility. [28]

The judgment has been commended for elucidating a previous uncertain[29] and obscure area of state practice and for giving priority to the need for foreign relations to be conducted unimpaired. However, it has been criticized for favouring the unhindered conduct of international relations above the interest the international community has in the prosecution of international crimes.[30] Yet, based on the Arrest Warrant case, national courts have recognized the availability of personal immunity in respect of serving senior officials.[31] Accordingly, in 2013, the ILC adopted a draft article which declares that serving heads of state, heads of government and ministers of foreign affairs enjoy personal immunity.[32]

2.2 Personal Immunity Before International Courts
The position of the law as to whether international law prohibits a plea of personal immunity before international courts is not so clear cut.[33] It would be recalled that in the Arrest Warrant Case, the ICJ opined that:
“[A]n incumbent … minister of foreign affairs may be subject of the criminal proceedings before certain international courts having jurisdiction … examples include the ICC created by the 1998 Rome Convention… the statute provides in article 27 Paragraph 2 provides that immunities … which may attach to the official capacity of a person, whether under national or international law, shall not bar the court from excising its jurisdiction over such person.”[34]

This rather vague obiter dictum of the ICJ has been the grounds of assertions as to the non-applicability of personal immunity before all international courts.[35] Commentators[36] have argued that it is only when the enabling statute establishing an international court, by an express provision in such statute ousts the plea of personal immunity would it be said that international law prohibits personal immunity before the court. Guilfoyle contends that the mere fact of an interventional court having subject matter jurisdiction does not otherwise make applicable immunities inapplicable.

On the other hand, some scholars espoused the ICJ dictum as meaning that customary international rule of immunities does not apply to international criminal courts[37]. That the ICJ did not make the lifting of personal immunities before international criminal courts contingent upon the express or implicit contemplation of such lifting in the relevant court’s statute. That insofar as the international tribunal or court has subject matter jurisdiction over the international crime with which the state official was charged, that personal immunity is ousted. The unavailability of personal immunity before international criminal courts however, finds some support in international practice.[38] It has been adopted in some judicial decisions, notable, the Charles Taylor case.

The Charles Taylor Case
In the Charles Taylor case,[39] the Special Court for the Sierra Leone (“SCSL”) issued a warrant of arrest against Charles Taylor, then a sitting President of Liberia for crimes against humanity. The warrant of arrest was challenged on grounds of immunity. The SCSL relied on the pronouncement in the Arrest Warrant case to hold that it was an international court and as such not barred from prosecuting serving heads of State,[40] and that personal immunities are simply inapplicable before any tribunal that can be characterized as an international[41] court.

The judgment in the Charles Taylor case has been criticized in that the SCSL is a court established under a treaty between Sierra Leone and the UN and operates within the national judicial system of Sierra Leone. It was not directly created by compulsory Chapter VII powers of the         UN Security Council in the manner of the ICTY and ICTR, and hence, it is not an international court. Secondly, it is unlikely that the International Court of Justice’s reference to immunity as not being available before certain international courts in the Arrest Warrant Case was intended to lay down a general rule. The reference was to international courts having jurisdiction.[42] Suffice it to state that Charles Taylor was no longer head of state at the time of the decision, and hence no longer enjoys personal immunity.

3.0 Functional Immunity in Criminal Cases
The Pinochet Cases
The Pinochet Cases[43] provide the classical example of the role of functional immunity in criminal cases. Pinochet was a former head of state of Chile. While in the UK in 1998 for medical treatment, a Spanish Court issued a warrant of arrest against him for crimes, including torture, which he was alleged to have committed while in office. The Spanish Court requested his extradition from the UK. As he was no longer head of state, Pinochet pleaded that his conduct while in office was covered by functional immunity as he was alleged not to have committed the crimes personally, but as part of the duties of his office as a head of State.

The High Court quashed the issued warrant of arrest on the ground that a former head of state was entitled to functional immunity from prosecution. The case proceeded directly to the House of Lords by the leapfrog appeal method.[44] Pinochet No 3 is complex as it involved difficult questions of both extradition law and universal jurisdiction under the Convention Against Torture. However, what is relevant for the purpose of this paper is that if Pinochet enjoyed functional immunity for the official acts alleged to constitute torture, he would not be extradited to Spain. It suffices to state that under the Torture Convention, torture is prescribed as an official act[45] and the Convention is silent on the question of state immunity.

A summary of the decisions of the judges of the House of Lords would be that functional immunity was not available under the Convention Against Torture either because: (i) immunity is implicitly or necessarily waived as part of the obligation under the Convention[46] or (ii) the Convention has the consequence that torture cannot be regarded as an official function of a head of state. The learned law Lords decided that functional immunity persists only with respect to acts performed in the exercise of the functions of the Head of State, and that torture can never be deemed official acts of state.

The basis of this decision and the extent of its applicability remains shrouded in uncertainty, and differing interpretation among scholars and jurists. The decision is supported in much of the opinio juris and literature[47] which suggest that it would amount to an absurdity for international law to outlaw a conduct and then provide immunity for it.[48] On the other hand, O’ Keefe argued that Pinochet (No. 3) did not assert the unavailability of state immunity in respect of international crimes generally. He contends that the pronouncement of the House of Lords relates only to the crime of torture within the meaning of the Torture Convention.[49]

Notwithstanding the vagueness and uncertainty of principle that has plagued Pinochet (No. 3), it has propounded the view that international crimes no longer qualify as official acts. The decision has contributed enormously to international law jurisprudence: It is the first time a former head of state has been refused immunity on the ground that immunity is not possible regarding international crimes. The decision is a significant step towards ending impunity for serious human rights violations and international crimes and making international treaties truly enforceable. It also signaled the start of national courts’ willingness to examine international law and its sources.
The Pinochet (No. 3) ratio was adopted by the extraordinary African Chamber in Senegal in the prosecution of Hissene Habre, the former head of state of Chad[50] wherein it was held that President Habre could not be shielded by immunities attaching to a former Head of State in a trial for torture.[51]  

3.2       Immunity and the Violation of Jus Cogens  
In international law, jus cogen norms are “accepted and recognized by the international community of States as a whole as a norm from which no derogation is permitted”.[52] Does the existence of jus cogens preclude the application of the general rules of state immunity from jurisdiction, and subsequently allow a state court to pronounce on acts performed by a foreign state in its public and official capacity? The ICJ affirmed the principles of state immunity in Germany v. Italy,[53] holding that recognizing the immunity of a foreign state does not amount to reorganizing as lawful a situation created by the breach of a jus cogens rule. In the Al Adsani [54] and Jones[55] cases, where the issues involved torture, the UK court upheld state immunity from foreign court’s jurisdiction notwithstanding the preemptory nature of the prohibition of torture.

However, in relation to individual foreign officials, the US Supreme Court in Samantar v Yousuf,[56] held that the Foreign Sovereign Immunity Act does not cover the immunity claims of individual foreign officials. This decision, though not explicitly eliminating the defense of foreign sovereign immunity in the event of violation of jus cogen norms,[57] removes one hurdle for many human rights advocates who view the granting of immunity to a state or its representatives from proceedings arising out of serious human rights violations as “artificial, unjust, and archaic”.[58] The most important point of all, however, may be that the law in this area is in a state of flux.[59]

4.0       Immunities under the International Criminal Court regime
The ICC established under the Rome Statute,[60] has jurisdiction over the most serious crimes of international concern: genocide, crimes against humanity, war crimes and aggression.[61] Under the ICC regime, the basis for immunities or lack thereof are prescribed under Article 27 and Article 98(1) of the Rome Statute.

Article 27(2) of the Rome Statute provides thus:
Immunities or special procedural rules which may attach to the official capacity of a person, whether under national or international law, shall not bar the Court from exercising its jurisdiction over such a person.

Conversely, Article 98(2) of the Rome Statute provides as follows:
The Court may not proceed with a request for surrender or assistance which would require the requested State to act inconsistently with its obligations under international law with respect to the State or diplomatic immunity of a person or property of a third State, unless the Court can first obtain the cooperation of that third State for the waiver of the immunity.

It would appear that under article 27 (2) of the Statute, the ICC has jurisdiction to prosecute anybody accused of committing an international crime, irrespective of any official status. But under article 98 (2), the ICC seems to lack the competence to mandate member state parties to arrest the officials of a non-party state in view of the customary law immunity obligation between states which subsists under international law. A practical example of the interplay of articles 27 and 98 is in the ICC issuance of arrest warrant against the sitting President of Sudan, Omar Al Bashir.

The President Omar Al Bashir Case
In the Al Bashir case,[62] an ICC Pre-Trial Chamber in 2009 issued and circulated an international warrant of arrest against president Omar Al Bashir of Sudan for crimes against humanity, war crimes and genocide. Sudan is a non-party to the ICC statute, but the ICC decided that President Al Bashir did not enjoy immunity from being surrendered to the court by a state party. The court relied on the Arrest Warrant case[63]as at the time of issuing the arrest warrant.

This decision, amplified in the Malawi[64] and Chad[65] decisions, has elicited divergent opinions. Some hold the view that immunity is ousted by the interpretation given by the ICC that once a referral is made by the Security Council that Sudan must cooperate, it immediately removes Al Bashir’s immunity, and member state parties are obliged to equally cooperate. No impediment exists at the horizontal level regarding the arrest and surrender to the Court of Al Bashir.[66] That the immunities protected by article 98 is applicable before national courts, not international courts. That whereas the states cannot take Al Bashir before national courts, all states are mandated to arrest and turn him over to the ICC. Under the Rome Statute as whole, state parties have a duty to cooperate with the court.[67] That this appears to be the reason why the argument that article 98 protects President Al Bashir was also rejected in the Congo,[68] and Djibouti[69] decisions.

However, Douglas Guilfoyle writes that it is only Sudan that could waive Al Bashir’s immunity, that it would be internationally wrongful for another state to seize Al Bashir in violation of customary law immunities.[70] Paula Gaeta argues that the absence of immunities before an international court does not mean that national authorities may ignore the rules prohibiting a person who benefits from personal immunities.[71] On the other hand, Dapo Akande maintains that UN Security Council resolution 1593[72] made pursuant to its compulsory Chapter VII powers referring the situation in Darfur to the ICC binds Sudan to the provisions of the statute as if it were a party to the statute, that article 27 becomes applicable to Sudan, mandating it to cooperate with the court by waiving its immunity.[73]

4.1 The ICC jurisprudence on President Omar Al-Bashir’s immunity

The ICC has taken three differing positions with immunity on the Al Bashir case. In the Malawi,[74] and Chad[75] decisions, the Court decided that customary international law creates an exception to head of state immunity before international courts where such a head of state commits an international crime. That “there is no conflict between Malawi’s obligations towards the Court and its obligations under customary international law, and that article 98(1) of the Statute does not apply.”[76] Then, in the Democratic Republic of Congo[77] decision, the Court resorted to the UNSC resolution 1593 argument, holding that UNSC resolution 1593, which referred the situation in Darfur to the Court, “implicitly waived the immunities granted Omar Al-Bashir under international law attached to his position as a Head of State”.[78] The Court has since followed this line of argument in the Djibouti[79] and South Africa[80] decisions, without explicitly overruling the earlier decisions.
On the relationship between articles 27(2) and 98(1) of the Statute, the latest position of the Court is “that by the imposition of the UNSC acting under Chapter VII of the UN Charter, the rights and obligations as provided for in the Rome Statute, including article 27(2), are applicable to Sudan”.[81] That “the immunities of Omar Al-Bashir as Head of State do not bar States Parties to the Rome Statute from executing the Court’s request of his arrest and surrender for crimes under the jurisdiction of the Court allegedly committed in Darfur within the parameters of the UNSC referral”.[82] That “the UNSC referral puts Sudan in the position of a State Party and renders article 98(1) of the Statute inapplicable to the situation of Omar Al-Bashir, and States Parties to the Rome Statute are under the duty to execute the warrants of arrest issued by the Court, and to implement the Court’s request for the arrest of Al-Bashir and his surrender to the Court”.[83] 
Secondly, in the Malawi and Chad decisions, the ICC asserted that immunity is removed under customary international law. The Court’s analyses on the trend to remove immunity is correct but the conclusion reached is wrong because the trend to remove immunity by treaty is not the same as to remove immunity under customary international law.

Lastly, On the 6th of July 2017, the International Criminal Court (“ICC” or “Court”) delivered a decision[84] under Article 87(7) of the Statute of the International Criminal Court[85] (“Rome Statute” or “Statute”) on the non-compliance by South Africa with the request by the Court for the arrest and surrender of Sudanese President, Omar Al-Bashir when he visited South Africa between 13 and 15 June 2015 to attend the 25th Summit of the African Union (“AU”) held in Johannesburg. The Court found that South Africa failed to comply with its obligation under the Statute by not executing the Court’s request for the arrest of Al-Bashir and his surrender to the Court.[86] The Court however, decided that, given the circumstances of the case, a referral to the Assembly of States Parties (“ASP”) to the Rome Statute and/or the United Nations Security Council (“UNSC”) of the matter of South Africa’s non-compliance with the Court’s request is not warranted and would not foster cooperation with South Africa.[87]

The Court’s argument has been that it is the trend of international criminal law to remove immunity either under an agreement by treaty or by UNSC referral. The AU insists that states cannot contract outside customary international law; that states cannot impose a treaty obligation to a state not party to a treaty. Since 1948, immunity has been waived either by treaty or UNSC referral. But, the treaties which removed immunities form an exception to the rule that only states can remove immunities. For instance, Article 7 of the Nuremberg International Military Tribunal Charter,[88] Article 6 of the Tokyo International Military Tribunal Charter,[89] Article 7(2) of the International Criminal Tribunal for the former Yugoslavia (ICTY) Statute 1993,[90] and Article 6(2) of the International Criminal Tribunal for Rwanda (ICTR) Statute 1994[91] which explicitly removed immunities were for a limited jurisdiction and did not apply to persons outside the jurisdiction of these tribunals. In the case of South Africa, if it had arrested President Al-Bashir, it would have committed an internationally wrongful act against the state of Sudan (a non-party to the Rome Statute), and not against President Al-Bashir.
Some have criticized the various ICC decisions on the Al-Bashir case for their “incorrect, inadequate and/or inconsistent reasoning on immunities.[92] The Court’s contention that there has never being the “slightest ambiguity” about the legal position regarding the immunities of Al-Bashir[93] is unconvincing. Its departure from the Malawi and Chad decisions (without either clarifying or overruling them) demonstrates the continuing uncertainty about the complex question of immunities.[94] This situation has left not only states and commentators but also different Chambers of the ICC with differing interpretations of the interplay between Article 98(1) and 27(2), customary international law, and resolution 1593.
The ICC is empowered to interpret the Rome Statute; hence these decisions remain valid law until over-turned by the Appeals Chamber. The ICC has taken a position that immunity will not protect anyone charged before it, especially in relation to a situation affecting international peace and security referred to it by the UN Security Council. This appears to align with the spirit of the Rome Statute which is to put a stop to rights violations and the commission of serious international crimes. Thus, the position of non-cooperation adopted by the African Union that ICC arrest warrants against serving Heads of State trump the well-established customary international law principle of sovereign immunity and would jeopardize local and regional peace initiatives, or lead to an increase in violence in the effected regions.[95] That states cannot contract outside customary international law and cannot impose a treaty obligation to a state not party to that particular treaty. Though this is an inconvenient outcome, the failure to arrest President Al-Bashir of Sudan, and the failed trials of President Uhuru Kenyatta of Kenya and his deputy, William Ruto, demonstrate the manifold practical limitations of going after as a sitting Head of State.
The lack of a clear defined position on immunities makes it difficult to conclude that there is no immunity under customary international law. It suffices to state that respecting the customary international norm on immunities is not a license to impunity as it can only bar prosecution for a certain period or for certain offices but does not exonerate the person to whom it applies from all criminal responsibility.[96] There is, therefore, a need for the ICC Appeal Chambers to put a definite end to this issue, particularly in the light of South Africa’s indication that it will appeal the 6 July 2017 decision.

5.0       CONCLUSION
Immunities still remain a hotly debated concept of international criminal law. Existing judicial authorities, some of which have been considered in the body of this work, have not helped to calm the tides of this debate. In some cases, courts have considered that crimes under international law are not part of the functions of the State and, consequently, they have not recognized immunity. In other cases, however, courts have considered that these are acts clearly exercised in an official capacity, even if they are illegal, and have therefore granted immunity. Nevertheless, it is submitted that the law is relatively settled that doctrine of State immunity applies to exonerate serving senior State officials from prosecution before national courts as the ICJ held in the Arrest Warrant case. However, on the authority of Pinochet (No. 3),official duties’, properly constructed excludes the commission of crimes, which international law prescribes against by way of customary international law, convention or jus cogens. While it is not likely that a consensus will be arrived at by judges or scholars, this article has demonstrated that on the basis of the weight of recent decisions, such as that of the US Court of Appeals in Yousuf v. Samantar, and the recent ICC decision on South Africa’s failure to cooperate, the arguments swing towards waiving immunities for crimes committed in violation of core international crimes and holding these officials responsible for their crimes while they are still in office.



[1] See arts 5 and 5bis Rome Statute of the International Criminal Court opened for signature July 17, 1998, 2187 U.N.T.S. 3 (entered into force July 1, 2002) [hereinafter, Rome Statute].
[2] Anthony Colangelo, ‘Jurisdiction, Immunity, Legality, and Jus Cogens’ (2013) Chicago Journal of International Law vol 14 No. 1, 53.
[3] Al‐Adsani v. United Kingdom [GC], application No. 35763/97, ECtHR Judgment of 21 November 2001.
[4] Jones v Ministry of Interior Al-Mamlaka Al-Arabiya AS Saudiya (the Kingdom of Saudi Arabia) and others [2006] UKHL 26.
[5] 130 S. Ct. 2278 (2010).
[6] See Decision under article 87(7) of the Rome Statute on the non-compliance by South Africa with the request by the Court for the arrest and surrender of Omar Al-Bashir, 6 July 2017, ICC-02/05-01/09, coram Cuno Tarfusser J (presiding), Marc Perrin de Brichambaut J and Chang-ho Chung J (hereinafter, “Decision under article 87(7) of the Rome Statute on the non-compliance by South Africa”).
[7] Douglas Guilfoyle, International Criminal Law (OUP, 2016) 397.
[8] Ibid, 397.
[9] Sevrine Knuchel, ‘Samantar v Yousuf: Narrowing the Prospects for Human Rights Litigation Against Foreign Officials?’ (2011) HRLR 11, 152-169, available at: http://hrlr.oxfordjournals.org/content/11/1/152.full.pdf+html accessed 11 January 2018.
[10] Holland v Lampen-Wolfe (2000) UKIIL
[11] Schooner Exch. v. McFadden, 11 U.S. 116, 134 (1812).
[12] Alina Kaczorowska, Public International Law (4th ed, Routledge Publishers 2010).
[13] Articles 29 of the Vienna Convention; Dapo Akande, ‘International Law Immunities and the International Criminal Court’ (2004) American Journal of international Law 98, 407-433, available at: http://www.jstor.org/stable/3181639 accessed 14 February 2018.
[14] M. Tunks, ‘Diplomats or Defendants? Defining the Future of the Head-of-State Immunity’ (2002) 52 Duke LJ. 651, 656.
[15] Arrest Warrant of 11 April 2000 (Democratic Republic of the Congo v. Belgium), 2002 I.C.J. 3, pp.74-75 (Feb. 14) (Joint Sep. Op. of Judges Higgins, Kooijmans and Burgenthal) [hereinafter Arrest Warrant Case].
[16] Ibid.
[17] The Arrest Warrant Case (n 15) para. 60.
[18] Guilfoyle, International Criminal Law (n 7) 400.
[19] See Jurisdictional Immunity of State (Germany V Italy: Greece Intervening) 2012 ICJ Reports 99; Ghaddafi case No. 1414 (Cass. Crim. 2001) (Fr); Regina v. Bow Street Stipendiary Magistrate, ex parte Pinochet (No. 3), [1999] 2 All E.R. 97, 126-27, 149,179, 189 (H.L.) (per Goff, Hope, Millett, Phillips, L.JJ.).
[20] Van Alebeek, The Immunities of States and Their Officials in International Criminal Law and International Human Rights Law (OUP, 2008) 222.
[21] Regina v. Bartle and the Commissioner of Police for the Metropolis and Other (Appellants), Ex Parte Pinochet (Respondent) House of Lords, 24 March 1999 [1999] 2 All ER 97, [1999] 2 WLR 827,) 172 (per lord Miller).
[22] C. Wickremasinghe, ‘Arrest Warrant of 11 April 2000 (Democratic Republic of Congo v Belgium), Preliminary Objections and Merits, Judgment of 14 February 2012’ 52(3) International and Comparative Law Quarterly,781.
[23] A. Cassese, ‘When May Senior State Officials Be Tried for International Crimes? Some Comments on the Congo v Belgium Case’ (2002) 13(4) EJIL855.
[24] Guilfoyle, International Criminal Law (n 7) 416.
[25] See Arrest Warrant case (n 15).
[26] Shiv Bedi, The Development of Human Rights Law by the Judges of the International Court of Justice (Hart Publishing 2007) 232.
[27] C. Than and E. Shorts, International Criminal Law and Human Rights (Sweet & Maxwell 2003) 59.
[28] See Arrest Warrant case (n 15) para. 54.
[29] C. Wickcemasinghe, ‘Arrest Warrant of 11 April 2000 (Democratic Republic of Congo v. Belgium), Preliminary Objection and Merits, Judgment of 14 February 2012’ (2012) 52(3) International and Comparative Law Quarterly 781.
[30] J. Wouters, ‘The Judgment of the International Court of Justice in the Arrest Warrant Case: Some Critical Remarks’ (2003) Leiden Journal of International Law, 267.
[31] Re: General Shaul Mofaz (2004) ILR 709; Re Bo Xilai (2005) 128 ILR, 713.
[32] See Second Report of ILC Drafting Committee A/Cn.4l.184; J. Folkes, ‘The Position of Heads of State and Senior Officials in International Law ‘(OUP 2014) P82; Bellal, ‘The 2009 Resolution of the Institute of International Law on Immunity and International Crimes: A Partial Codification of the Law?’ 9 JICJ (2011) 227.
[33] Guilfoyle, International Criminal Law (n 7) 402-403.
[34] Arrest Warrant case (n 15) 25-6 para. 61.
[35] Van Ableek, The Immunities of States and Their Officials in International Criminal Law and International Human Rights Law (n 20) 275.
[36] Ibid 275; Guilfoyle, International Criminal Law (n 1) 402-403.
[37] Antonio Cassese and P. Gaeta et al, Cassese’s International Criminal Law, (3rd edn, OUP 2013) 321.
[38] See, for example, the opinion of Robert Cryer et al, An Introduction to International Criminal Law and Procedure (3rd edn, OUP 2014) 321.
[39] Prosecution v. Charles Ghankay Taylor, Special Court for Sierra Leone, Appeals Chamber SCSL 2003-01-I, Decision on Immunity from Jurisdiction, 21 May 2004, para. 5.
[40] Ibid para. 51-3.
[41] See Robert Cryer et al, An Introduction to International Criminal Law and Procedure (n 38) 562.
[42] See Douglas Guilfoyle, International Criminal Law (n 7) 403.
[43] Regina v. Bartle and the Commissioner of Police for the Metropolis and Other (Appellants), Ex Parte Pinochet (Respondent) House of Lords, 24 March 1999 [1999] 2 All ER 97, [1999] 2 WLR 827,  available at: http://www.publications.parliament.uk/pa/ld199899/ldjudgmt/jd990324/pino1.htm accessed 14 February 2018.   

[44] C. Than and E. Shorts, International Criminal Law and Human Rights (n 27) 56.
[45] See art. 1(1) of the Torture Convention.
[46] Pinochet Case (n 14) Per Lords Hutton, Saville, Millet, 263-4, 266-7, 277.
[47] See ‘Immunity of State Officials from Criminal Jurisdiction, Memorandum by the Secretariat’, UN Doc.A/CN596, 31 March 2008, paras. 180-90, available at: http://www.refworld.org/docid/48abd597d.html accessed 14 March 2018; A. Cassese, ‘The Belgian Court of Cassation v the International Court of Justice: The Sharon and Others Case’ (2003) 1 Journal of International Criminal Justice 437, 443-50.
[48] Guilfoyle, International Criminal Law (n 7) 40.
[49] Roger O’ Keefe, International Criminal Law (OUP 2015), 440 – 441.
[50] See arts. 10(3) and 20 of the Extraordinary African Chambers Statute; Cryer (n 35), 551.
[51] Report of the Committee of Eminent African Jurists on the Case of Hissenè Habré, African Union, 2006, available at: https://www.hrw.org/legacy/backgrounder/africa/habre0107/2.htm accessed 27 January 2018.
[52] See art. 53 of the Vienna Convention on the Law of Treaties, opened for signature May 23, 1969, U.N.T.S. Regis. No. 18, 232, U.N. Doc. A/CONF.39/27 (1969).
[53] Jurisdictional Immunities of the State (Germany v. Italy), Judgment (Feb. 3, 2012), available at http://www.icj-cij.org/docket/files/143/16883.pdf accessed 11 January 2018.
[54] Al‐Adsani v. United Kingdom [GC], application No. 35763/97, ECtHR Judgment of 21 November 2001.
[55] Jones v Ministry of Interior Al-Mamlaka Al-Arabiya AS Saudiya (the Kingdom of Saudi Arabia) and others [2006] UKHL 26.
[56] 130 S. Ct. 2278 (2010).
[57] Sevrine Knuchel, ‘Samantar v Yousuf: Narrowing the Prospects for Human Rights Litigation Against Foreign Officials?’, HRLR 11 (2011), 152-169, available at: http://hrlr.oxfordjournals.org/content/11/1/152.full.pdf+html accessed on 11 January 2018.
[58] Sevrine Knuchel, ‘State Immunity and The Promise of Jus Cogens’, (2011), 9 Nw. J. Int'l Hum. Rts. 149, available at: http://scholarlycommons.law.northwestern.edu/njihr/vol9/iss2/2  accessed 11 January 2018.
[59] Anthony Colangelo, ‘Jurisdiction, Immunity, Legality, and Jus Cogens’ (2013) Chicago Journal of International Law vol 14 No. 1, 90.
[60] Rome Statute of the International Criminal Court art. 27 (n 1).
[61] See arts. 5 and 5bis. Rome Statute of the International Criminal Court art. 27 (n 1).
[62] Situation in Darfur, Sudan in the Case of the Prosecutor V. Omar Hassan Ahmad Al Bashir ("Omar Al Bashir") Public Redacted Version Decision on the Prosecution's Application for a Warrant of Arrest against Omar Hassan Ahmad Al Bashir, (ICC-02/05-01/09), Pre-Trial Chamber I, 4 Marc 2009.
[63] Case Concerning the Arrest Warrant of11April 2000 (DRC v. Belgium), judgment of14 February 2002, ICJ Reports (2002) 3 (‘Arrest Warrant’).
[64] Decision Pursuant to the Article 87(7) on the Failure of the Republic of Malawi to Comply with the Cooperation Requests Issued by the Court with Respect to the Arrest and Surrender of Omar Hassan Ahmed Al Bashir, Al Bashir (ICC-02/05-01/09), Pre-Trial Chamber I, 12 December 2011 <www.icc-cpi.int/pages/record.aspx?uri=1287184> accessed on 10th January 2017.
[65] Decision Pursuant to the Article 87(7) on the Failure of the Republic of Chad to Comply with the Cooperation Requests Issued by the Court with Respect to the Arrest and Surrender of Omar Hassan Ahmed Al Bashir, Al Bashir, Pre-Trial Chamber I, (ICC-02/05-01/09), Pre-Trial Chamber I, 13 December 2011.
[66] Decision on the Cooperation of the Democratic Republic of the Congo Regarding Omar Al Bashir’s Arrest and Surrender to the Court, 9 April 2014, ICC-02/05-01/09-195, paras 28 to 31.
[67] See arts. 86 and 87 of the Rome Statute.
[68] Decision on the Cooperation of the Democratic Republic of the Congo Regarding Omar Al Bashir’s Arrest and Surrender to the Court, 9 April 2014, ICC-02/05-01/09-195, paras 28 to 31.
[69] Decision on the Cooperation of the Republic of Djibouti Regarding Omar Al Bashir’s Arrest and Surrender to the Court, 11 July 2016, ICC-02/05-01/09-195.
[70] Guilfoyle, International Criminal Law (n 7) 411.
[71] See Paula Gaeta, ‘Does President Al Bashir Enjoy Immunity from Arrest?’, (2009) 7 Journal of International Criminal Justice, 315–332; Chigara B. and Nwankwo C., ‘To be or not to be?’ African Union and its Member States Parties’ Participation as High Contracting States Parties to the Rome Statute of the International Criminal Court (1998)’ (2015) 33 Nordic Journal of Human Rights, 243-268, 244; Benedict Chigara, ‘The Administration of International Law in National Courts and the Legitimacy of International Law’ (2017) 17 International Criminal Law Review, 909-934, 914.
[72] See Dapo Akande, ‘International Law Immunities and the International Criminal Court’ (2004) AJIL 98, 407-433; Antonio Cassese, ‘When May Senior State Officials Be Tried for International Crimes? Some Comments on the Congo v Belgium Case’ (2002) 13(4) European Journal of International Law, 855; United Nations Security Council Resolution 1593, S/RES/1593 (2005), issued on 31 March 2005 (hereinafter "Resolution1593) , available at: www.icc-cpi.int/NR/rdonlyres/85FEBD1A-29F8-4EC4-9566-48EDF55CC587/283244/N0529273.pdf accessed on 10 January 2018.
[73] Guilfoyle, International Criminal Law (n 7) 413.
[74] See Decision Pursuant to Article 87(7) of the Rome Statute on the Failure by the Republic of Malawi to Comply with the Cooperation Requests Issued by the Court with Respect to the Arrest and Surrender of Omar Hassan Ahmad Al Bashir ICC-02/05-01/09-139, 12 December 2011, Pre-Trial Chamber I, Decision, Case: The Prosecutor v. Omar Hassan Ahmad Al Bashir, Situation: Situation in Darfur, Sudan, available at: https://www.icc-cpi.int/pages/record.aspx?uri=1287184, accessed 31 March 2018. 
[75] Decision pursuant to article 87(7) of the Rome Statute on the refusal of the Republic of Chad to comply with the cooperation requests issued by the Court with respect to the arrest and surrender of Omar Hassan Ahmad Al Bashir, ICC-02/05-01/09-140-tENG, 13 December 2011, Pre-Trial Chamber 1, Decision, Case: The Prosecutor v. Omar Hassan Ahmad Al Bashir, Situation: Situation in Darfur, Sudan available at: https://www.icc-cpi.int/pages/record.aspx?uri=1384955, accessed 31 March 2018. 
[76] See Decision Pursuant to Article 87(7) of the Rome Statute on the Failure by the Republic of Malawi to Comply with the Cooperation Requests Issued by the Court with Respect to the Arrest and Surrender of Omar Hassan Ahmad Al Bashir, Al Bashir (ICC-02/05-01/09-139), Pre-Trial Chamber I, 12 December 2011.
[77] Decision on the Cooperation of the Democratic Republic of the Congo Regarding Omar Al Bashir’s Arrest and Surrender to the Court, ICC-02/05-01/09-195 09 April 2014, Pre-Trial Chamber II Decision, Case: The Prosecutor v. Omar Hassan Ahmad Al Bashir, Situation: Situation in Darfur, Sudan.
[78] Ibid.
[79] Pre-Trial Chamber II, “Decision on the non-compliance by the Republic of Djibouti with the request to arrest and surrender Omar Al-Bashir to the Court and referring the matter to the United Nations Security Council and the Assembly of the State Parties to the Rome Statute”, 11 July 2016, ICC-02/05-01/09-266
[80] See Decision under article 87(7) of the Rome Statute on the non-compliance by South Africa (n 6) para 107.
[81] Ibid.
[82] See Decision under article 87(7) of the Rome Statute on the non-compliance by South Africa (n 6) para 107.
[83] Ibid.
[84] See Decision under article 87(7) of the Rome Statute on the non-compliance by South Africa with the request by the Court for the arrest and surrender of Omar Al-Bashir (n 6).
[85] Rome Statute of the International Criminal Court (n 1).
[86] See Decision under article 87(7) of the Rome Statute on the non-compliance by South Africa (n 1) para 53.
[87] Ibid.
[89] Ibid.
[90] UN Security Council, Security Council resolution 827 (1993) [International Criminal Tribunal for the former Yugoslavia (ICTY)], 25 May 1993, S/RES/827 (1993).
[91] UN Security Council, Statute of the International Criminal Tribunal for Rwanda (as last amended on 13 October 2006), 8 November 1994.
[92] See Decision Pursuant to Article 87(7) of the Rome Statute on the Failure by the Republic of Malawi to Comply with the Cooperation Requests Issued by the Court with Respect to the Arrest and Surrender of Omar Hassan Ahmad Al Bashir, Al Bashir (ICC-02/05-01/09-139), Pre-Trial Chamber I, 12 December 2011; Decision pursuant to article 87(7) of the Rome Statute on the refusal by the Republic of Chad to comply with the cooperation requests issued by the Court with respect to the arrest and surrender of Omar Hassan Ahmad Al-Bashir, Al-Bashir (ICC-02/05-01/09-140), Pre-Trial Chamber I, 13 December 2011; Decision on the Cooperation of the Democratic Republic of the Congo Regarding Omar Al-Bashir’s Arrest and Surrender to the Court, Al Bashir (ICC-02/05-01/09-195), Pre-Trial Chamber II, 9 April 2014, s. 26ff; Decision following the Prosecutor’s Request for an order further clarifying that the Republic of South Africa is under the obligation to immediately arrest and surrender Omar Al Bashir, Al Bashir (ICC-02/05-01/09-242), Pre-Trial Chamber II, 13 June 2015. See also Max Du Plessis and Guenael Mettraux, ‘South Africa’s Failed Withdrawal from the Rome Statute, (2017) 15(2) Journal of International Criminal Justice, 361-370, 379, available at: https://doi.org/10.1093/jicj/mqx015, accessed 22 July 2017.
[93] See Democratic Republic of Congo decision (n 142) para 22.
[94] See AndrĂ© de Hoogh and Abel Knottnerus, 'ICC Issues New Decision on Al-Bashir’s Immunities ‒ But Gets the Law Wrong … Again’, EJIL: Talk! 18 April 2014, available at: https://www.ejiltalk.org/icc-issues-new-decision-on-al-bashirs-immunities-%E2%80%92-but-gets-the-law-wrong-again/, accessed 31 July 2017. 
[95] See Draft Decision of the 24th AU Summit on the ICC and the African Court of Justice and Human Rights, Doc Assembly/AU/18 (XX14).
[96] See Arrest Warrant of 11 April 2000 (Democratic Republic of the Congo v. Belgium), 2002 ICJ Reports, 3.

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