The DEAR and amendments thereto are issued by the Senior Procurement Executives of the Department of Energy (DOE) and the National Nuclear Security Administration (NNSA). The DOE Senior Procurement Executive delegation is pursuant to a delegation from the Secretary of Energy in accordance with the authority of section 644 of the Department of Energy Organization Act (42 U.S.C. 7254), section 205(c) of the Federal Property and Administrative Services Act of 1949, as amended, (40 U.S.C. 121(c)(2)), and other applicable laws. The NNSA Senior Procurement Executive delegation is pursuant to a delegation from the Administrator of the NNSA, in accordance with section 3212 of the National Nuclear Security Administration Act (50 U.S.C. 2402), section 205(c) of the Federal Property and Administrative Services Act of 1949, as amended, (40 U.S.C. 121(c)(2)), and other applicable laws.