40 CFR § 85.1708
National security exemption
June 9, 2020
A manufacturer requesting a national security exemption must state the purpose for which the exemption is required and the request must be endorsed by an agency of the Federal Government charged with responsibility for national defense.
[39 FR 32611, Sept. 10, 1974. Redesignated at 47 FR 30484, July 14, 1982]