; and (B) does not mean an individual part, component, subassembly, assembly, or subsystem integral to the functioning of the powertrain system such as a new engine or transmission. (3) Any work performed pursuant to paragraph (1) shall be performed in the United States and shall be covered by section 2460(b)(1) of this title. (b) Waiver Subject to the requirements of subsection (c), the Secretary may waive the requirements of subsection (a)(1) if the Secretary determines in writing that such an exception is required by the national security interests of the United States. (c) Notification (1) If the Secretary makes a written determination under subsection (b), the Secretary may not transfer excess HMMWVs until 30 days after the Secretary has provided notice of the proposed transfer to the congressional defense committees. The notification shall include— (A) the total quantity of HMMWVs, the serial and model numbers of each individual HMMWV, and the age, condition, and expected useful life of each individual HMMWV to be transferred; (B) the recipient of the HMMWVs, the intended use of the HMMWVs, and a description of the national security interests of the United States necessitating the transfer; (C) an explanation of why it is not in the national security interests of the United States to make the transfer in accordance with the requirements of subsection (a); (D) the impact on the national technology and industrial base and, particularly, any reduction of the opportunities of entities in the national technology and industrial base to sell new or used HMMWVs to the countries to which the proposed transfer of HMMWVs is to take place