and revision proposals on expiry of a period of three (3) months granted the Member States to enter their observations. 3} The amendments and revisions shall be adopted by the Council of Ministers and shall be submitted to the Authority of Heads of State and Government for approval and signature. The said amendments and revisions shall come into force in conformity with the provisions of Article 48 of this Supplementary Act. Article 47: Publication This Supplementary Act shall be published by the Commission in the Official Journal of the Community within thirty (30) days of signature by the AuthOrity of Heads of Slate and Government. It shall equally be published by each Member State in its national Gazette tl1irty (30) days after notification by the CommiSSion. Article 48: Entry into force This Supplementary Act shall enter Into force upon publication in the Official Journal of the Community and in the Official Gazette of each Member State. This Supplementary Act shall be annexed to lI1e ECOWAS Treaty of which It shall be an integral part. Article 49: Oepository authority This Supplementary Act shall be deposrted with the Commission whicl1 shall transmit certified true copies of this Supplementary Act to all the Member states and shall register it with the African Union, the United Nations Organisation and all other regional and intemational organizations cooperating wrth ECOWAS and such organisations as the Council may determine by virtue of Articles 83, 84 and 85 of the Revised ECOWAS Treaty. IN WITNESS WHEREOF WE, THE HEADS OF STATE AND GOVERNMENT OF THE ECONOMIC COMMUNITY OF WEST AFRICAN STATES HAVE SIGNED THIS SUPPLEMENTARY ACT DONE AT ABUJA ON 16TH DAYOF FEBRUARY 2010 IN A SINGLE ORIGINAL IN ENGLISH, FRENCH AND PORTUGUESE, THE THREE (3) TEXTS BEING EQUALLY AUTHENTIC. - 17 -