36 C.F.R. § 1280.18 – Gambling.

(a) You may not participate in any type of gambling while on or in NARA property or facilities. This includes:
1. (1) Participating in games for money or other personal property;
2. (2) Operating gambling devices;
3. (3) Conducting a lottery or pool; or
4. (4) Selling or purchasing numbers tickets.
(b) This rule does not apply to licensed blind operators of vending facilities who are selling chances for any lottery set forth in a state law and conducted by an agency of a state as authorized by section 2(a)(5) of the Randolph-Sheppard Act (20 U.S.C. 107, et seq.)