Log Category of Documents:
Circular, dated 18 Aug 68, with the signature block of Nguyen Mau for T07, directs subordinate units and agencies to use the cover designators prescribed recently. Document reminds them that the cover designators of D (Bn) is Ap, and Dist Z. The cover designators for D107 is Ap 7, D83 is Ap 3, D81 is Ap 1, D48 is Ap 4, and Due Pho (Dist Unit) is 302.