Narcotics, other drugs, and drug paraphernalia
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) Narcotics and other drugs. Except when a patient uses a narcotic or drug as prescribed by a licensed health care provider in accordance with Federal law, any person on Federal property is prohibited from being under the influence of, using, possessing, or operating a vehicle while under the influence of any controlled substance as defined in 21 U.S.C. 802, 812, 841.
(b) Drug paraphernalia. Any person on Federal property is prohibited from possessing drug paraphernalia as defined in 21 U.S.C. 863.
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.