ix. 111. During his detention, he was subjected to inhuman and degrading treatment. SUMMARY OF PROCEDURE BEFORE THE COURT 10. The Registry received the Application on 6 January 2015. By notices dated 8 January 2015 and 20 January 2015 respectively, the Registry acknowledged receipt of the Application and informed the Applicant of its registration in accordance with Rule 36 of the Rules. 11. On 20 January 2015, the Registry served the Application on the Respondent State, the African Commission on Human and Peoples' Rights and the Chairperson of the African Union Commission, as prescribed by Rule 35(2) and (3) of the Rules. 12. On 21 January 2015, and in accordance with Article 5(1 )(d) and 5(2) of the Protocol as well as Rules 33(1 )(d) and 53 of the Rules, the Registry served the Application on the Republic of Cote d'ivoire as the Applicant's state of origin for purposes of possible intervention. The Republic of Cote d'ivoire, which requested for intervention on 1 April 2015, was allowed to join the case and filed its observations and responses to the submissions made by the Parties on 16 May 2016 and 4 May 2017 respectively. 13. On the Court's direction, by a notice dated 17 March 2015 and in line with Rule 31 of the Rules, the Registry requested the Pan-African Lawyers' Union (PALU) to assist the Applicant who indicated that he did not have a legal representative. On 16 June 2015, PALU agreed to provide the requested support. 14. On their request, Professor Christof Heyns (University of Pretoria) and Professor Sandra Babcock (Cornell University) were granted leave to participate as amici curiae by notice dated 29 November 2017 in accordance with Article 26(2) of the Protocol, Rules 45 and 46 of the Rules as well as Directions 42 to 47 of the Practice Directions. 15. In accordance with Rule 36( 1) of the Rules, the Respondent State was duly served with the Application and all the submissions of the Applicant, Intervening State, and Amici, and was granted the statutory time and subsequent extensions of time as 5