; or (B) section 114(n) of title 49, United States Code. 4. Conversion of screening personnel (a) Termination of certain personnel authorities (1) TSA personal management system Section 114 of title 49, United States Code, is amended by striking subsection (n). (2) Termination of flexibility in employment of screener personnel Section 111 of the Aviation and Transportation Security Act ( 49 U.S.C. 44935 note) is amended by striking subsection (d). (3) Human resources management system (A) In general Section 9701 of title 5, United States Code, is amended— (i) by redesignating subsection (h) as subsection (i); and (ii) by inserting after subsection (g) the following: (h) Limitation The human resources management system authorized under this section shall not apply to covered employees or covered positions (as such terms are defined in section 3 of the Strengthening American Transportation Security Act of 2017 ). . (B) Effective date The amendments made by subparagraph (A) shall take effect on the date set forth in subsection (b). (b) Covered employees and positions made subject to same personnel management system as applies to civil service employees generally On the earlier of a date determined by the Secretary or 60 days after the date of the enactment of this Act— (1) all TSA personnel management personnel policies, directives, letters, and guidelines, including the Determinations of February 2011 and December 2014 shall cease to be effective; (2) any human resources management system established or adjusted under section 9701 of title 5, United States Code, shall cease to be effective with respect to covered employees and covered positions