Footnotes:
1 Letter dated 15 January 1991 from the Permanent Representative of Costa Rica to the United Nations at Geneva addressed to the Under-Secretary-General for Human Rights [1991] UN Doc E/CN.4/1991/66.
2 Report of the Working Group on the Draft Optional Protocol to the Convention Against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment on its fourth session [1995] UN Doc E/CN.4/1996/28, Annex I; see also Report of the Working Group on the Draft Optional Protocol to the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment [1993] UN Doc E/CN.4/1994/25, Annex. Later drafts contain similar provisions: Report of the Working Group on the Draft Optional Protocol to the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment on its eighth session [1999] UN Doc E/CN.4/2000/58, Annex II, Art 25; Report of the Working Group on a Draft Optional Protocol to the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment on its ninth session [2001] UN Doc E/CN.4/2001/67, Annex I, Art 31; Annex II, Art 26; Report of the Working Group on a Draft Optional Protocol to the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment on its tenth session [2002] UN Doc E/CN.4/2002/78, Annex II E, Art 15; Report of the Working Group on a Draft Optional Protocol to the Convention against Torture and Other Cruel, Inhuman or Degrading Treatment or Punishment on its tenth session [2002] UN Doc E/CN.4/2002/78, Annex I (Proposal by the Chairperson-Rapporteur) Art 37.
3 These six languages are the official and designated languages of the United Nations.
4 cf Vienna Convention on the Law of Treaties (adopted 22 May 1969, opened for signature 23 May 1969, entered into force 27 January 1980) 1155 UNTS 331 (VCLT) Arts 31, 32, and 33(4); for greater detail on questions of interpretation, see above Art 33, and Manfred Nowak, UN Covenant in Civil and Political Rights: CCPR Commentary (2nd rev edn, NP Engel 2005) (CCPR Commentary) 817ff.
5 See above Art 24 OP, § 14.
6 On the duties of the Secretary General deriving from this function, see above Art 33, 4; Nowak, CCPR Commentary (n 4) 817ff.