; (6) in subsection (d), as redesignated by paragraph (4)— (A) in paragraph (1), by adding at the end the following: This requirement does not include architectural and engineering services and construction design under subsection (c). ; and (B) in paragraph (2), by inserting other than funds used pursuant to subsection (c) after subsection (a) ; and (7) in subsection (g), as redesignated by paragraph (4), by striking 2020 and inserting 2025 . 2802. Modification of contract authority for acquisition, construction, or furnishing of test facilities and equipment Section 2353(a) of title 10, United States Code, is amended— (1) by inserting after the first sentence the following: The acquisition or construction of these research, developmental, or test facilities shall be subject to the cost principles applicable to allowable contract expenses. ; and (2) by adding at the end the following: The acquisition or construction of facilities under the authority of this section shall not be governed by sections 2802, 2805, or 2811 of this title and their associated implementing regulations. The Secretary of Defense and the Secretaries of the military departments shall promulgate regulations necessary to give full force and effect to this section. . 2803. Extension of temporary, limited authority to use operation and maintenance funds for construction projects in certain areas outside the United States (a) Extension of authority Subsection (h) of section 2808 of the Military Construction Authorization Act for Fiscal Year 2004 (division B of Public Law 108–136 ; 117 Stat. 1723), as most recently amended by section 2804 of the Military Construction Authorization Act for Fiscal Year 2018 (division B of Public Law 115–91 ), is further amended— (1) in paragraph (1), by striking December 31, 2018 and inserting December 31, 2019