Page 24 Article 49: Entry into Force This Supplementary Protocol shall enter into force upon ratification by a least nine (9) signatory States in accordance with the constitutional procedures of each Member State. Article 50: Depository Authority This Supplementary Protocol and all instruments of ratification shall be deposited with the Executive Secretariat which shall transmit certified true copies to all Member States and notify them of the dates of deposit of instruments of ratification by the Member States and shall register it with the Organisation of African Unity (OAU)/African Union (AU), as well as the United Nations (UN) and any other organisation as may be decided by the Council. IN FAITH WHEREOF WE, THE HEADS OF STATE AND GOVERNMENT OF THE MEMBER STATES OF THE ECONOMIC COMMUNITY OF WEST AFRICAN STATES (ECOWAS) HAVE SIGNED THIS SUPPLEMENTARY PROTOCOL IN SINGLE ORIGINAL IN THE ENGLISH, FRENCH AND PORTUGUESE LANGUAGES, ALL TEXTS BEING EQUALLY AUTHENTIC DONE AT DAKAR ON THIS 21st DAY OF DECEMBER 2001 …………………………………………………………… H. E. Mathieu KEREKOU President of the Republic of BENIN …………………………………………………………… H. E. Jose Maria Pereira NEVES Prime Minister and Head of Government of the Republic of CAPE VERDE …………………………………………………………… H. E Blaise COMPAORE President of FASO Chairman of the Council of Ministers …………………………………………………………… H. E. Abou Drahamane SANGARE Minister of Foreign Affairs, For and on behalf of the President of the Republic of CÔTE D’IVOIRE