Home1998 Treaties and Agreements ...Vietnam (13015) – Agreement on the Establishment of Copyright Relations hide Vietnam (13015) – Agreement on the Establishment of Copyright Relations TIAS Office of Treaty Affairs December 23, 1998 Intellectual Property: Copyright Agreement signed at Hanoi June 27, 1997; Entered into force December 23, 1998. And amending agreement. Effected by exchange of notes at Washington December 23, 1998; Entered into force December 23, 1998. Download attachment [1 MB] Tags Intellectual Property Treaties Vietnam