UNITED NATIONSAPR171990 UN/SAGOtLEcnON ST Secretariat ST/AI/189/Add.9/Rev.2/Add.l 5April1990 ADMINISTRATIVE INSTRUCTION To: Members ofthestaff From: TheUnder-Secretary-Genera1 forConference Services andSpecial Assignments Subject: REGULATIONS FORTHECONTROL ANDLIMITATION OFDOCUMENTATION COPYRIGHT INUNITED NATIONS PUBLICATIONS: GENERAL PRINCIPLES, PRACTICE ANDPROCEDURE Addendum TheOrganization's policies governing copyright inUnited Nations publications wereannounced inadministrative instruction ST/AI/189/Add.9/Rev.1 of 21March1985. Revised copyright policies wereannounced byadministrative instruction ST/AI/189/Add.9/Rev.2 of17September 1987andwereputintoeffect on anexperimental basisfortheperiod 1October 1987to31December 1989. The purpose ofthepresent instruction istoextend theexperimental perioduntil 31December 1991,during whichtimetherevised policies announced in administrative instruction ST/AI/189/Add.9/Rev.2 willcontinue toapply. 90-09013 1653d (E)