U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
As prescribed in 1239.7204(c), insert a clause substantially as follows:
(a) The Contractor shall use only cryptographic mechanisms that comply with ___ [Contracting Officer insert FIPS 140-2 level #]. All deliverables shall be labeled ___ [Contracting Officer insert appropriate label such as “For Official Use Only” (FOUO) or other DOT-agency selected designation per document sensitivity].
(b) External transmission/dissemination of ___ [Contracting Officer fill-in: e.g., labeled deliverables] to or from a Government computer must be encrypted. Certified encryption modules must be used in accordance with ___ [Contracting Officer shall insert the standard, such as FIPS PUB 140-2, “Security requirements for Cryptographic Modules.”