; (2) in subsection (b)— (A) by amending paragraph (2) to read as follows: (2) The Secretary may begin a proceeding under this subsection when a manufacturer applies for an exemption or a renewal of an exemption. The Secretary shall publish notice of the application and provide an opportunity to comment. An application for an exemption or for a renewal of an exemption shall be filed at a time and in the way, and contain such information, this section and the Secretary require. The Secretary shall grant or deny an exemption for a highly automated vehicle not later than 180 days after receiving an application for such exemption from a manufacturer. ; and (B) in paragraph (3)(B)(iv), by inserting or introducing or delivering into interstate commerce after selling ; (3) in subsection (d)— (A) by inserting (1) after Eligibility .— ; and (B) by striking the second sentence and inserting the following: (2) A manufacturer is eligible for an exemption under clause (ii), (iii), or (iv) of subsection (b)(3)(B) only if the Secretary determines that— (A) the exemption is for not more than 2,500 vehicles to be sold in the United States in any 12-month period; or (B) the vehicle is a highly automated vehicle; and (i) during the 12-month period beginning on the date of the enactment of the AV START Act , the exemption is for not more than 50,000 vehicles to be sold or introduced into interstate commerce in the United States; (ii) during the 12-month period immediately following the period described in clause (i), the exemption is for not more than 75,000 vehicles to be sold or introduced into interstate commerce in the United States