request an in-depth study. Article 59 1. All measures taken within the provisions of the present Charter shall remain confidential until such a time as the Assembly of Heads of State and Government shall otherwise decide. 2. However, the report shall be published by the Chairman of the Commission upon the decision of the Assembly of Heads of State and Government. 3. The report on the activities of the Commission shall be published by its Chairman after it has been considered by the Assembly of Heads of State and Government. Chapter IV -- Applicable Principles Article 60 The Commission shall draw inspiration from international law on human and peoples' rights, particularly from the provisions of various African instruments on human and peoples' rights, the Charter of the United Nations, the Charter of the Organization of African Unity, the Universal Declaration of Human Rights, other instruments adopted by the United Nations and by African countries in the field of human and peoples' rights as well as from the provisions of various instruments adopted within the Specialized Agencies of the United Nations of which the parties to the present Charter are members. Article 61 The Commission shall also take into consideration, as subsidiary measures to determine the principles of law, other general or special international conventions, laying down rules expressly recognized by member states of the Organization of African Unity, African practices consistent with international norms on human and people's rights, customs generally accepted as law, general principles of law recognized by African states as well as legal precedents and doctrine. Article 62 Each state party shall undertake to submit every two years, from the date the present Charter comes into force, a report on the legislative or other measures taken with a view to giving effect to the rights and freedoms recognized and guaranteed by the present Charter. 16