3 5. Lastly, the Commission requested the Court that, under Article 63(1) of the Convention, order the State to adopt various pecuniary and non pecuniary reparation measures, and pay the costs and expenses arising from the proceeding of the instant case before the domestic courts and the Inter-American System for the Protection of Human Rights. II COMPETENCE 6. The Court has jurisdiction to hear the instant case pursuant to Articles 62 and 63(1) of the American Convention, as Peru has been a State Party to the Convention since July 28, 1978 and accepted the contentious jurisdiction of the Court on January 21, 1981. III PROCEEDING BEFORE THE COMMISSION 7. On November 9, 1998, Celia Asto-Urbano, Wilson García-Asto’s mother, filed a petition against the State of Peru before the Inter-American Commission, which was later supplemented by briefs of May 24, 1999; September 8, 1999; and October 29, 1999. On April 30, 2002, the Commission, in accordance with its Rules of Procedure, processed the application under No. 482/1998 VL and requested the State to furnish any pertinent information. 8. On November 12, 1998, Pedro Ramírez-Rojas, Urcesino Ramírez-Rojas’ brother, filed a petition against the State of Peru before the Inter-American Commission, which was later supplemented by brief of May 18, 2001. On August 28, 2002 the Commission processed the application under No. 479/1998 VL and requested the State to furnish any pertinent information. 9. On April 4, 2002 the Commission, at the request of Wilson García-Asto’s mother, Celia Asto-Urbano, adopted precautionary measures on behalf of her son and requested the State to take measures so that Mr. García-Asto undergo a medical examination and, in the event of an unfavorable diagnosis, he be provided with medical treatment. 10. On January 9, 2003, the Commission ordered that the case of Wilson GarcíaAsto be opened under number 12.413 and admissibility issues be addressed during the discussions and the judgment on the merits. 11. On July 08, 2003, the Commission ordered that the case of Urcesino RamírezRojas be opened under number 12.423 and admissibility issues be addressed during the discussions and the judgment on the merits.