question, so its power to do so was precluded at that time, and its later argument in this regard is not admissible. Additionally, under the provisions of Articles 27(1) and 2 7, 28 8, 29(d) 9, 30 10 and 31(1)c) 113 12 of the Commission's Rules of Procedure 13 in force at the time of the first petition, such provisions being reiterated in all its following versions, consequently, give an account of the Commission’s interpretation of the corresponding convention-based norms. Eduardo Vio Grossi Judge Pablo Saavedra Alessandri Secretary 7 “1. The Secretariat of the Commission shall be responsible for the study and initial processing of the petitions that are presented to the Commission and that meet all the requirements established in the Statute and these Regulations. 2. If a petition or communication does not meet the requirements of these Regulations, the Secretary of the Commission may request the petitioner or his representative to complete them.” 8 “The Commission will only take into consideration petitions on alleged human rights violations defined in the American Convention on Human Rights, in relation to a State Party, when they meet the requirements established therein, in the Statute and in these Regulations.” “Petitions addressed to the Commission shall contain the following information: any steps taken to exhaust domestic remedies, or the impossibility of doing so.” 9 10 “Notwithstanding the provisions of Article 26, if the Commission considers that the petition is inadmissible or incomplete, the petitioner will be notified, requesting that he complete the requirements omitted in the petition.” 11 “The Commission, acting initially through its Secretary, will receive and process the petitions presented to it, in accordance with the rules indicated below: If it accepts, in principle, the admissibility of the petition, it will request information from the government of the State referred to by transcribing the pertinent parts of the petition.” 12 “The request for information shall not prejudge the decision that the Commission ultimately adopts on the admissibility of the petition.” 13 In force to the year 2000.