44. By a letter dated 5 November, PALU informed the Registry that it wished to maintain the Applicant and Professor Leonard P. Shaidi as witnesses. The Applicant would render testimony in relation to the facts and circumstances surrounding his arrest, interrogation, detention and search and seizure of his property and Professor Leonard P. Shaidi would be on hand to testify and assist the Court to understand the obtaining criminal law and proce re of the Respondent State, which should apply or should have been applicable to the Applicant. 45. By a letter dated 18 November 2013, the Respondent submitted a new list of witnesses. The Respondent also sought directions from the Court on the whether the Court issues summons only to witnesses, experts or other persons it intends to hear or also to witnesses that the Parties intend to call. The Respondent also sought directions on the appropriate time to challenge the competence of the Applicant's expert witness, the criteria for qualification of an expert witness, the grounds for disqualification of an expert witness and the procedure provided by the Court to obtain the credentials and Curriculum Vitae of the Applicant 's expert witness. The Respondent also sought the leave of the Court to produce relevant documents In respect of the Criminal Cases that the Applicant is basing the Application on. 46. By a letter dated 26 November 2013, the Registrar responded to the Respondent's letter of 18 November 2013 on the issues raised by the Respondent and also attaching the programme for the hearing. This letter was copied to the Applicant. 47. By a letter dated 26 November 2013, the Respondent submitted a list of its representatives during the hearing. 48. A public hearing was held, at the seat of the Court in Arusha, Tanzania, on 2, 3 and 4 December 2013, during which arguments were heard on both the preliminary objections and the merits The appearances were as follows : For the Applicant Mr Donald Deya, Advocate Mr. Rashid Rashid, Advocate Mr Selemani Kmyunyu, Advocate For the Respondent: Ms. Sarah D. Mwaipopo Acting Director-Principal State Attorney Division of Constitutional Affairs and Human Rights Attorney General's Chambers Mr. Edson Mweyunge Assistant Director-Principal State Attorney Division of Contracts and Treaties Attorney General's Chambers Mr. Michael Luena Principal State Attorney Division of Litigation and Arbitration Attorney General's Chambers Ms. Nkasori Sarakikya Principal State Attorney Division of Constitutional Affairs and Human Rights Attorney General's Chambers Mr. Mark Mulwambo Senior State Attorney Division of Constitutional Affairs and Human Rights Attorney General's Chambers Ms. Eliainenyi Njiro State Attorney Attorney General's Chambers 49. The Court also heard the following witnesses : For the Applicant: - The Applicant. Mr. Peter Joseph Chacha 6