5 U.S.C. § 8431 — Certain transfers to be treated as a sepa-

Page 1142 TITLE 5—GOVERNMENT ORGANIZATION AND EMPLOYEES § 8431 injury described in certain Code provisions on or after the date that is 2 years after Dec. 9, 2022, see section 3(f) of Pub. L. 117–225, set out as a note under section 8336 of this title. EFFECTIVE DATE OF 2007 AMENDMENT; TRANSITION RULES Amendment by Pub. L. 110–161 effective on the later of June 30, 2008, or the first day of the first pay period beginning at least 6 months after Dec. 26, 2007, with transition rules and rights of election, see section 535(e) of Pub. L. 110–161, set out as a note under section 3307 of this title. EFFECTIVE DATE OF 2003 AMENDMENT Amendment by Pub. L. 108–176 effective on 60th day after Dec. 12, 2003, and applicable with respect to any annuity entitlement based on an individual’s separa- tion from service occurring on or after such effective date, and any service performed by any such individual before, on, or after such effective date, subject to spe- cial rule relating to deposit requirement, see section 226(c) of Pub. L. 108–176, set out as a note under section 8401 of this title. EFFECTIVE DATE OF 2000 AMENDMENT Amendment by Pub. L. 106–553 effective on the first day of the first applicable pay period that begins on Dec. 21, 2000, and applicable only to an individual who is employed as a member of the Supreme Court Police after Dec. 21, 2000, see section 1(a)(2) [title III, § 308(i), (j)] of Pub. L. 106–553, set out in a Supreme Court Police Retirement note under section 8331 of this title. EFFECTIVE DATE OF 1998 AMENDMENT Amendment by Pub. L. 105–261 effective 1 year after Oct. 17, 1998, and applicable only to an individual who is employed as a nuclear materials courier, as defined by section 8331(27) or 8401(33) of this title, after Oct. 17, 1998, see section 3154(m), (n) of Pub. L. 105–261, set out as a note under section 8331 of this title. EFFECTIVE DATE OF 1992 AMENDMENT Amendment by Pub. L. 102–378 effective Nov. 5, 1990, see section 9(b)(6) of Pub. L. 102–378, set out as a note under section 6303 of this title. EXCEPTION TO AUTOMATIC SEPARATION OF MEMBERS OF CAPITOL POLICE Pub. L. 101–428, § 3(b)(1)(B), Oct. 15, 1990, 104 Stat. 929, provided that: ‘‘Nothing in section 8425(b) of title 5, United States Code, as amended by subparagraph (A), shall require the automatic separation of any member of the Capitol Police before the end of the 2-year period beginning on the date of enactment of this Act [Oct. 15, 1990].’’ SUBCHAPTER III—THRIFT SAVINGS PLAN § 8431. Certain transfers to be treated as a sepa- ration (a) For purposes of this subchapter, separation from Government employment includes a trans- fer from a position that is subject to one of the retirement systems described in subsection (b) to a position that is not subject to any of them. (b) The retirement systems described in this subsection are— (1) the retirement system under this chap- ter; (2) the retirement system under subchapter III of chapter 83; and (3) any other retirement system under which individuals may contribute to the Thrift Sav- ings Fund through withholdings from pay. (Added Pub. L. 106–168, title II, § 203(a)(1), Dec. 12, 1999, 113 Stat. 1820.) Editorial Notes PRIOR PROVISIONS A prior section 8431, added Pub. L. 99–335, title I, § 101(a), June 6, 1986, 100 Stat. 541; amended Pub. L. 101–509, title V, § 529 [title I, § 101(b)(6)(B)], Nov. 5, 1990, 104 Stat. 1427, 1440, provided a definition of ‘‘basic pay’’ for this subchapter, prior to repeal by Pub. L. 104–208, div. A, title I, § 101(f) [title VI, § 659 [title II, §§ 206(a)(2), 207]], Sept. 30, 1996, 110 Stat. 3009–314, 3009–372, 3009–378, effective Sept. 30, 1996. Statutory Notes and Related Subsidiaries EFFECTIVE DATE Pub. L. 106–168, title II, § 203(c), Dec. 12, 1999, 113 Stat. 1820, provided that: ‘‘The amendments made by this section [enacting this section and amending section 8351 of this title] shall apply with respect to transfers occurring before, on, or after the date of the enactment of this Act [Dec. 12, 1999], except that, for purposes of applying such amendments with respect to any transfer occurring before such date of enactment, the date of such transfer shall be considered to be the date of the enactment of this Act. The Executive Director (within the meaning of section 8401(13) of title 5, United States Code) may prescribe any regulations necessary to carry out this subsection.’’ § 8432. Contributions (a)(1) An employee or Member may contribute to the Thrift Savings Fund in any pay period, pursuant to an election under subsection (b), an amount not to exceed the maximum percentage of such employee’s or Member’s basic pay for such pay period allowable under paragraph (2). Contributions under this subsection pursuant to such an election shall, with respect to each pay period for which such election remains in effect, be made in accordance with a program of reg- ular contributions provided in regulations pre- scribed by the Executive Director. (2) The maximum percentage allowable under this paragraph shall be determined in accord- ance with the following table: In the case of a pay period beginning in fiscal year: The maximum percentage allowable is: 2001 ................................................ 11 2002 ................................................ 12 2003 ................................................ 13 2004 ................................................ 14 2005 ................................................ 15 2006 or thereafter .......................... 100. (3) Notwithstanding any limitation under this subsection, an eligible participant (as defined by section 414(v) of the Internal Revenue Code of 1986) may make such additional contributions to the Thrift Savings Fund as are permitted by such section 414(v) and regulations of the Execu- tive Director consistent therewith. (b)(1)(A)(i) The Executive Director shall pre- scribe regulations under which employees and Members may make contributions under sub- section (a), to modify the amount to be contrib- uted under such subsection, or to terminate such contributions. (ii) An election to make contributions under this paragraph— (I) may be made at any time; (II) shall take effect on the earliest date after the election that is administratively fea- sible; and