A/RES/54/280 Page 8 Article XVII Entry into force The present Agreement shall enter into force upon its approval by the General Assembly of the United Nations and the Commission. IN WITNESS WHEREOF the undersigned, being duly authorized representatives of the United Nations and the Preparatory Commission for the Comprehensive Nuclear-Test-Ban Treaty Organization, have signed the present Agreement. SIGNED this 26th day of May in the year two thousand in New York in two originals in the English language. For the United Nations: (Signed) Kofi A. ANNAN Secretary-General For the Preparatory Commission for the Comprehensive Nuclear-TestBan Treaty Organization: (Signed) Wolfgang HOFFMANN Executive Secretary /...