92 Instruments of the AU (a) within 2 years of the entry into force of the Charter for the state party concerned; and (b) thereafter, every 3 years. 2. Every report made under this article shall: (a) contain sufficient information on the implementation of the present Charter to provide the Committee with a comprehensive understanding of the implementation of the Charter in the relevant country; and (b) shall indicate factors and difficulties, if any, affecting the fulfilment of the obligations contained in the Charter. 3. A state party which has submitted a comprehensive first report to the Committee need not, in its subsequent reports submitted in accordance with paragraph 1(a) of this article, repeat the basic information previously provided. Article 44: Communications 1. The Committee may receive communications from any person, group or non-governmental organisation recognised by the Organization of African Unity, by a member state, or the United Nations relating to any matter covered by this Charter. 2. Every communication to the Committee shall contain the name and address of the author and shall be treated in confidence. Article 45: Investigations by the Committees 1. The Committee may resort to any appropriate method of investigating any matter falling within the ambit of the present Charter, request from the state parties any information relevant to the implementation of the Charter and may also resort to any appropriate method of investigating the measures a state party has adopted to implement the Charter. 2. The Committee shall submit to each ordinary session of the Assembly of Heads of State and Government every two years, a report on its activities and on any communication made under article 44 of this Charter. 3. The Committee shall publish its report after it has been considered by the Assembly of Heads of State and Government. 4. State parties shall make the Committee’s report widely available to the public in their own countries. CHAPTER FOUR: Miscellaneous Provisions Article 46: Sources of inspiration The Committee shall draw inspiration from international law on human rights, particularly from the provisions of the African Charter on Human and Peoples’ Rights, the Charter of the Organization of African Unity, the Universal Declaration of Human Rights, the International Convention on the Rights of the Child, and other instruments adopted by the United Nations and by African countries in the field of human rights, and from African values and traditions. Article 47: Signature, ratification or adherence 1. The present Charter shall be open to signature by all the member states of the Organization of African Unity. 2. The present Charter shall be subject to ratification or adherence by member states of the Organization of African Unity. The instruments of ratification or adherence to the present Charter shall be deposited with the Secretary-General of the Organization of African Unity. 3. The present Charter shall come into force 30 days after the reception by the Secretary-General of the Organization of African Unity of the