Part B - Penalties

50 USC 2761 - Restriction on use of funds to pay penalties under environmental laws

(a) Restriction
Funds appropriated to the Department of Energy for the Naval Nuclear Propulsion Program or the nuclear weapons programs or other atomic energy defense activities of the Department of Energy may not be used to pay a penalty, fine, or forfeiture in regard to a defense activity or facility of the Department of Energy due to a failure to comply with any environmental requirement.

(b) Exception
Subsection (a) shall not apply with respect to an environmental requirement if

(1) the President fails to request funds for compliance with the environmental requirement; or

(2) the Congress has appropriated funds for such purpose (and such funds have not been sequestered, deferred, or rescinded) and the Secretary of Energy fails to use the funds for such purpose.

50 USC 2762 - Restriction on use of funds to pay penalties under Clean Air Act

None of the funds authorized to be appropriated by the Department of Energy National Security and Military Applications of Nuclear Energy Authorization Act of 1981 (Public Law 96540) or any other Act may be used to pay any penalty, fine, forfeiture, or settlement resulting from a failure to comply with the Clean Air Act (42 U.S.C. 7401 et seq.) with respect to any defense activity of the Department of Energy if

(1) the Secretary finds that compliance is physically impossible within the time prescribed for compliance, or

(2) the President has specifically requested appropriations for compliance and the Congress has failed to appropriate funds for such purpose.