45 CFR § 604.500 - Secretary of Defense.

---
identifier: "/us/cfr/t45/s604.500"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "45 CFR § 604.500 - Secretary of Defense."
title_number: 45
title_name: "Public Welfare"
section_number: "604.500"
section_name: "Secretary of Defense."
chapter_name: "NATIONAL SCIENCE FOUNDATION"
part_number: "604"
part_name: "NEW RESTRICTIONS ON LOBBYING"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Sec. 319, Pub. L. 101-121 (31 U.S.C. 1352); 42 U.S.C. 1870."
regulatory_source: "55 FR 6737, 6754, Feb. 26, 1990, unless otherwise noted."
cfr_part: "604"
---


# 604.500 Secretary of Defense.

(a) The Secretary of Defense may exempt, on a case-by-case basis, a covered Federal action from the prohibition whenever the Secretary determines, in writing, that such an exemption is in the national interest. The Secretary shall transmit a copy of each such written exemption to Congress immediately after making such a determination.

(b) The Department of Defense may issue supplemental regulations to implement paragraph (a) of this section.