By that You confirm that the whole country of Vietnam is member of CITES and is bound to CITES rules. North Vietnam and South Vietnam does not exist any longer.Example :
The CITES Convention includes provisions and rules for trade with non-Parties. All member states of the United Nations are party to the treaty, with the exception of Andorra, Democratic People's Republic of Korea, Federated States of Micronesia, Haiti, Kiribati, Marshall Islands, Nauru, South Sudan, East Timor, Turkmenistan, and Tuvalu. UN observer the Holy See is also not a member. The Faroe Islands, an autonomous country in the Kingdom of Denmark, is also treated as a non-Party to CITES (both the Danish mainland and Greenland are part of CITES).