out-year contract payments A contract entered into under subsection (a) shall provide that any obligation of the United States to make a payment under the contract for a fiscal year after fiscal year 2024 is subject to the availability of appropriations or funds for that purpose for such later fiscal year. (e) Definitions In this section: (1) The term critical mineral means a mineral determined to be a strategic and critical material under section 3(a) of the Strategic and Critical Materials Stock Piling Act ( 50 U.S.C. 98b(a) ). (2) The term processed means the processing or recycling of a critical mineral or magnet, including the separation, reduction, metallization, alloying, milling, pressing, strip casting, and sintering of a critical mineral. (3) The term domestic source has the meaning given that term in section 702 of the Defense Production Act of 1950 ( 50 U.S.C. 4552 ). 153. Prohibition on solicitation of proprietary armor for certain tactical vehicles (a) Prohibition The Secretary of Defense may not include in a solicitation for a tactical tracked vehicle or tactical wheeled vehicle a requirement that such vehicle use proprietary armor. (b) Applicability Subsection (a) shall not apply to a contract for the procurement of a tactical tracked vehicle or tactical wheeled vehicle entered into before the date of the enactment of this Act. 154. Prohibition on availability of funds for procurement of certain batteries (a) Limitation Beginning on October 1, 2027, none of the funds authorized to be appropriated or otherwise made available for the Department of Defense may be obligated or expended to procure a battery produced by an entity specified in subsection (b). (b) Entities specified The entities specified in this subsection are the following: (1) Contemporary Amperex Technology Company, Limited (also known as CATL ). (2) BYD Company, Limited. (3) Envision Energy, Limited. (4) EVE Energy Company, Limited. (5) Gotion High tech Company, Limited. (6) Hithium Energy Storage Technology company, Limited. (7)