WIPO has just informed the IPKat that the Socialist Republic of Viet Nam has deposited its instrument of accession to the Convention for the Protection of Producers of Phonograms Against Unauthorized Duplication of Their Phonograms of 29 October 1971. That Convention will enter into force, with respect to the Socialist Republic, on 6 July 2005.
Full list of contracting States here
Text of the Convention here
Copyright protection in Viet Nam here and here
My Tam here