; and (iii) by inserting before paragraph (2), as so redesignated, the following: (1) Covered repair station The term covered repair station means a facility that— (A) is located outside the United States; (B) is a part 145 repair station; and (C) performs heavy maintenance work on aircraft operated by a part 121 air carrier. . (B) Technical amendment Section 44733(a)(3) of title 49, United States Code, is amended by striking covered part 145 repair stations and inserting part 145 repair stations . (3) Conforming amendments The analysis for chapter 447 of title 49, United States Code, is amended by striking the item relating to section 44733 and inserting the following: 44733. Oversight of repair stations located outside the United States. . (b) Alcohol and drug testing and background checks (1) In general Not later than 18 months after the date of enactment of this Act, the Administrator shall issue a final rule carrying out the requirements of section 2112(b) of the FAA Extension, Safety, and Security Act of 2016 ( 49 U.S.C. 44733 note). (2) Rulemaking on assessment requirement With respect to any employee not covered under the requirements of section 1554.101 of title 49, Code of Federal Regulations, the Administrator shall initiate a rulemaking (or request that the head of another Federal agency initiate a rulemaking) that requires a covered repair station to confirm that any such employee has successfully completed an assessment commensurate with a security threat assessment described in subpart C of part 1540 of such title. (3) Definition of covered repair station For purposes of this subsection, the term covered repair station means a facility that— (A) is located outside the United States; (B) is certificated under part 145 of title 14, Code of Federal Regulations