c. to prepare such studies or reports as it considers advisable in the performance of its duties; d. to request the governments of the member states to supply it with information on the measures adopted by them in matters of human rights; e. to respond, through the General Secretariat of the Organization of American States, to inquiries made by the member states on matters related to human rights and, within the limits of its possibilities, to provide those states with the advisory services they request; f. to take action on petitions and other communications pursuant to its authority under the provisions of Articles 44 through 51 of this Convention; and g. to submit an annual report to the General Assembly of the Organization of American States. Article 42 The States Parties shall transmit to the Commission a copy of each of the reports and studies that they submit annually to the Executive Committees of the Inter-American Economic and Social Council and the Inter-American Council for Education, Science, and Culture, in their respective fields, so that the Commission may watch over the promotion of the rights implicit in the economic, social, educational, scientific, and cultural standards set forth in the Charter of the Organization of American States as amended by the Protocol of Buenos Aires. Article 43 The States Parties undertake to provide the Commission with such information as it may request of them as to the manner in which their domestic law ensures the effective application of any provisions of this Convention. Section 3. Competence Article 44 Any person or group of persons, or any nongovernmental entity legally recognized in one or more member states of the Organization, may lodge petitions with the Commission containing denunciations or complaints of violation of this Convention by a State Party. Article 45 1. Any State Party may, when it deposits its instrument of ratification of or adherence to this Convention, or at any later time, declare that it recognizes the competence of the Commission to receive and examine communications in which a State Party alleges that another State Party has committed a violation of a human right set forth in this Convention. 2. Communications presented by virtue of this article may be admitted and examined only if they are presented by a State Party that has made a declaration recognizing the aforementioned competence of the Commission. The Commission shall not admit any communication against a State Party that has not made such a declaration. 3. A declaration concerning recognition of competence may be made to be valid for an indefinite time, for a specified period, or for a specific case. 4. Declarations shall be deposited with the General Secretariat of the Organization of