25 C.F.R. § 700.551
Franking privilege and official stationery
An employee is strictly prohibited from using Government franked envelopes with or without applied postage, or official letterhead stationery for personal business. (18 U.S.C. 1719)
An employee is strictly prohibited from using Government franked envelopes with or without applied postage, or official letterhead stationery for personal business. (18 U.S.C. 1719)