Gambling
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
(a) General rule. Any person on Federal property is prohibited from—
(1) Participating in games for money or other personal property;
(2) Operating gambling devices;
(3) Conducting a lottery or pool; or
(4) Selling or purchasing gambling tickets.
(b) Exceptions. This section is not intended to prohibit:
(1) Vending or exchange of chances by licensed blind operators of vending facilities for any lottery set forth in a State law and authorized by section 2(a)(5) of the Randolph-Sheppard Act (20 U.S.C. 107 et seq.); and
(2) Prize drawings for personal property at otherwise permitted functions on Federal property, provided that the game or drawing does not constitute gambling per se.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.