This document is composed of three parts. The first of which is a note from the Permanent Mission of Uruguay before the Organization of American States (O.A.S.) dated April 1981.The note is sending the Ministry of Foreign Affairs in Montevideo a copy of an article written by the Inter-American Commission of Human Rights in relation to Case No.4529. The second part is a note dated December 1980 containing the observations of the claimant of Case No.4529 (Celiberti and family).