Log Category of Documents:
Circular 15/TT/TV, dated 8 Jul 71, classified ((VC)) Absolute Secret, prepared by A64, prescribes the following correspondence code to be used by subordinate units and agencies: Clear - District Party Committee, Code - H1, Party Committee - H2, Chapter Party Committee - H3, Party cell, Party member, Chapter Party, Youth Group member, Secret guerrilla, Assassination cell, Agency network, Hardcore