In subsection (a), the words “From and after the first day of the first pay period which begins on or after the effective date of the Civil Service Retirement Act Amendments of 1956” and “From and after the first day of the first pay period which begins after June 30, 1957” in former section 2254 are omitted as executed. The words “on and after July 1, 1957” in former section 129 of title 2 are omitted as executed.

In subsection (b), the word “rule” is omitted as unnecessary.

Standard changes are made to conform with the definitions applicable and the style of this title as outlined in the preface to the report.

The date of the enactment of the Department of Defense Authorization Act, 1984, referred to in the table in subsec. (c), is the date of enactment of Pub. L. 98–94 which was approved Sept. 24, 1983.

Sections 203 and 206 of the Federal Employees’ Retirement Contribution Temporary Adjustment Act of 1983 [Pub. L. 98–168], referred to in subsec. (c), are set out as a note under section 8331 of this title.

Sections 402 and 3101(a) and chapter 21 of the Internal Revenue Code of 1986, referred to in subsecs. (i)(3) and (k)(2)(C)(iv), (4)(A)(ii), are classified to sections 402 and 3101(a) and chapter 21 (§ 3101 et seq.), respectively, of Title 26, Internal Revenue Code.

Section 2(c) of the Retirement and Survivors’ Annuities for Bankruptcy Judges and Magistrates Act of 1988, referred to in subsec. (i)(4), is section 2(c) of Pub. L. 100–659, which is set out as a note under section 377 of Title 28, Judiciary and Judicial Procedure.

The Social Security Act, referred to in subsec. (k)(2)(C)(ii), (4)(A)(ii), is act Aug. 14, 1935, ch. 531, 49 Stat. 620. Title II of the Social Security Act is classified generally to subchapter II (§ 401 et seq.) of chapter 7 of Title 42, The Public Health and Welfare. Section 230 of the Social Security Act is classified to section 430 of Title 42. For complete classification of this Act to the Code, see section 1305 of Title 42 and Tables.

The Economic Opportunity Act of 1964, referred to in subsec. (l)(1), is Pub. L. 88–452, Aug. 20, 1964, 78 Stat. 508. Title VIII of the Act probably means title VIII of Pub. L. 88–452 as added by Pub. L. 89–794, title VIII, § 801, Nov. 8, 1966, 80 Stat. 1472, and generally revised and amended by Pub. L. 90–222, title I, § 110, Dec. 23, 1967, 81 Stat. 722, which was classified generally to subchapter VIII (§ 2991 et seq.) of chapter 34 of Title 42, prior to its repeal by Pub. L. 93–113, title VI, § 603, Oct. 1, 1973, 87 Stat. 417. Part A of title VIII of the Act is part A of title VIII of Pub. L. 88–452 as added by Pub. L. 90–222, § 110, which was classified generally to part A (§ 2992 et seq.) of subchapter VIII of chapter 34 of Title 42, prior to its repeal by Pub. L. 93–113, § 603. See sections 4951 et seq. and 5055 of Title 42. For complete classification of this Act to the Code, see Tables.

The Domestic Volunteer Service Act of 1973, referred to in subsec. (l)(1), is Pub. L. 93–113, Oct. 1, 1973, 87 Stat. 394. Parts A and C of title I of the Act are classified generally to parts A (§ 4951 et seq.) and C (§ 4991 et seq.), respectively, of subchapter I of chapter 66 of Title 42, The Public Health and Welfare. Part B of title I of the Act, which was classified generally to part B (§ 4971 et seq.) of subchapter I of chapter 66 of Title 42, was repealed by Pub. L. 111–13, title II, § 2121, Apr. 21, 2009, 123 Stat. 1584. For complete classification of this Act to the Code, see Short Title note set out under section 4950 of Title 42 and Tables.

The Peace Corps Act, referred to in subsec. (l)(1), is Pub. L. 87–293, Sept. 22, 1961, 75 Stat. 612, which is classified principally to chapter 34 (§ 2501 et seq.) of Title 22, Foreign Relations and Intercourse. Sections 5(c) and 6(1) of the Act are classified to sections 2504(c) and 2505(1), respectively, of Title 22. For complete classification of this Act to the Code, see Short Title note set out under section 2501 of Title 22 and Tables.

2018—Subsec. (j)(6). Pub. L. 115–352, § 2(a), added par. (6).

Subsec. (l)(5). Pub. L. 115–352, § 3(a), added par. (5).

2009—Subsec. (d)(2)(A)(i). Pub. L. 111–84 substituted “March 1, 1991” for “October 1, 1990” in two places.

2007—Subsec. (a)(1)(A). Pub. L. 110–161, § 535(a)(2)(A), substituted “nuclear materials courier, or customs and border protection officer,” for “or nuclear materials courier,”.

Subsec. (c). Pub. L. 110–161, § 535(a)(2)(B), inserted table relating to customs and border protection officer.

2006—Subsec. (a)(1)(B)(ii). Pub. L. 109–435 added cl. (ii) and struck out former cl. (ii) which read as follows: “In the case of an employee of the United States Postal Service, the amount to be contributed under this subparagraph shall (instead of the amount described in clause (i)) be equal to the product derived by multiplying the employee’s basic pay by the percentage equal to—

“(I) the normal-cost percentage for the applicable employee category listed in subparagraph (A), minus

“(II) the percentage deduction rate that applies with respect to such employee under subparagraph (A).”

2003—Subsec. (a)(1). Pub. L. 108–18, § 2(b)(1), designated first sentence as subpar. (A), designated second and third sentences as subpar. (B)(i), substituted “Except as provided in clause (ii), an equal” for “An equal” in subpar. (B)(i), and added subpar. (B)(ii).

Subsec. (k)(1)(A). Pub. L. 108–18, § 2(b)(2)(A), substituted “subsection (a)(1)(A)” for “the first sentence of subsection (a)(1) of this section”.

Subsec. (k)(1)(B). Pub. L. 108–18, § 2(b)(2)(B), substituted “subparagraph (B) of subsection (a)(1)” for “the second sentence of subsection (a)(1) of this section” and “such subparagraph” for “such sentence”.

Subsec. (k)(2)(C)(iii). Pub. L. 108–18, § 2(b)(2)(C), substituted “subsection (a)(1)(A)” for “the first sentence of subsection (a)(1)”.

2001—Subsec. (n). Pub. L. 107–107 added subsec. (n).

2000—Subsec. (a)(1). Pub. L. 106–553, § 1(a)(2) [title III, § 308(b)(1)(A)], inserted “member of the Supreme Court Police,” after “member of the Capitol Police,”.

Subsec. (c). Pub. L. 106–553, § 1(a)(2) [title III, § 308(b)(1)(B)], in table relating to law enforcement officer for law enforcement service and firefighter for firefighter service, inserted “, member of the Supreme Court Police for Supreme Court Police service,” after “law enforcement service”.

Pub. L. 106–346, in tables relating to an employee, a Member or employee for Congressional employee service, a law enforcement officer for law enforcement service and firefighter for firefighter service, a bankruptcy judge, a judge of the United States Court of Appeals for the Armed Forces for service as a judge of that court, a United States magistrate judge, a Court of Federal Claims judge, a member of the Capitol Police, and a nuclear materials courier, substituted item relating to service period after December 31, 2000, for former items relating to service periods January 1, 2001, to December 31, 2002, and after December 31, 2002.

1999—Subsec. (c). Pub. L. 106–65, in table relating to nuclear materials courier, substituted “October 16, 1998” for “the day before the date of the enactment of the Strom Thurmond National Defense Authorization Act for Fiscal Year 1999” and “October 17, 1998” for “The date of the enactment of the Strom Thurmond National Defense Authorization Act for Fiscal Year 1999”.

1998—Subsec. (a)(1). Pub. L. 105–261, § 3154(c)(1), substituted “member of the Capitol Police, or nuclear materials courier,” for “or member of the Capitol Police,”.

Subsec. (c). Pub. L. 105–261, § 3154(c)(2), inserted table relating to nuclear materials courier.

1997—Subsec. (a)(1). Pub. L. 105–33, § 7001(a)(3)(A), amended first sentence generally. Prior to amendment, first sentence read as follows: “The employing agency shall deduct and withhold 7 percent of the basic pay of an employee, 7½ percent of the basic pay of a Congressional employee, a law enforcement officer, and a firefighter, and 8 percent of the basic pay of a Member, a Court of Federal Claims judge, a United States magistrate, a judge of the United States Court of Appeals for the Armed Forces, and a bankruptcy judge.”

Subsec. (c). Pub. L. 105–33, § 7001(a)(3)(B)(ix), inserted table relating to member of the Capitol Police.

Pub. L. 105–33, § 7001(a)(3)(B)(viii), in table relating to a Court of Federal Claims Judge, substituted items relating to service periods October 1, 1988, to after December 31, 2002, for former item relating to service period after September 30, 1988.

Pub. L. 105–33, § 7001(a)(3)(B)(vii), in table relating to a United States magistrate, substituted items relating to service periods October 1, 1987, to after December 31, 2002, for former item relating to service period after September 30, 1987.

Pub. L. 105–33, § 7001(a)(3)(B)(vi), in table relating to a judge of the United States Court of Appeals for the Armed Forces for service as a judge of that court, substituted items relating to service periods on and after the date of enactment of the Department of Defense Authorization Act, 1984, to after December 31, 2002, for former item relating to service period on and after the date of the enactment of the Department of Defense Authorization Act, 1984.

Pub. L. 105–33, § 7001(a)(3)(B)(v), in table relating to a bankruptcy judge, substituted items relating to service periods January 1, 1984, to after December 31, 2002, for former item relating to service period after December 31, 1983.

Pub. L. 105–33, § 7001(a)(3)(B)(iv), in table relating to a law enforcement officer for law enforcement service and firefighter for firefighter service, substituted items relating to service periods January 1, 1975, to after December 31, 2002, for former item relating to service period after December 31, 1974.

Pub. L. 105–33, § 7001(a)(3)(B)(i)–(iii), in tables relating to an employee, a Member or employee for Congressional employee service, and a Member for Member service, substituted items relating to service periods January 1, 1970, to after December 31, 2002, for former item relating to service period after December 31, 1969.

Subsec. (j)(1)(A). Pub. L. 105–33, § 7001(a)(4)(A)(i), inserted “and subject to paragraph (5),” after “Except as provided in subparagraph (B),”.

Subsec. (j)(5). Pub. L. 105–33, § 7001(a)(4)(A)(ii), added par. (5).

Subsec. (l)(1). Pub. L. 105–33, § 7001(a)(4)(B)(i), inserted at end “This paragraph shall be subject to paragraph (4).”

Subsec. (l)(4). Pub. L. 105–33, § 7001(a)(4)(B)(ii), added par. (4).

Subsec. (m). Pub. L. 105–61 added subsec. (m).

1996—Subsec. (a)(1). Pub. L. 104–186, § 215(12)(A), substituted “Chief Administrative Officer of the House of Representatives, the Chief Administrative Officer may pay from the applicable accounts of the House of Representatives” for “Clerk of the House of Representatives, the Clerk may pay from the contingent fund of the House”.

Subsec. (a)(2). Pub. L. 104–316 substituted “Secretary of the Treasury” for “Comptroller General of the United States”.

Subsec. (j)(1)(A), (3). Pub. L. 104–186, § 215(12)(B), substituted “Chief Administrative Officer” for “Clerk”.

1994—Subsec. (a)(1). Pub. L. 103–337 substituted “Court of Appeals for the Armed Forces” for “Court of Military Appeals”.

Subsec. (c). Pub. L. 103–337 substituted “Court of Appeals for the Armed Forces” for “Court of Military Appeals” in table.

Subsec. (j)(1). Pub. L. 103–353, § 5(b)(1), designated existing provisions as subpar. (A) and substituted “Except as provided in subparagraph (B), each employee” for “Each employee” and added subpar. (B).

Subsec. (j)(2)(B). Pub. L. 103–353, § 5(b)(2), inserted before comma at end “following the period of military service for which such deposit is due”.

1993—Subsec. (e)(1), (2). Pub. L. 103–82, § 371(a)(2)(B), substituted “(k), or (l)” for “or (k)”.

Subsec. (h). Pub. L. 103–66 struck out “and by section 8339(j)(5)(C) and the last sentence of section 8339(k)(2) of this title” before “may also be made”.

Subsec. (l). Pub. L. 103–82, § 371(a)(2)(A), added subsec. (l).

1992—Subsec. (a)(1). Pub. L. 102–572, § 902(b)(2), substituted “Court of Federal Claims” for “Claims Court”.

Subsec. (c). Pub. L. 102–572, § 902(b)(2), substituted “Court of Federal Claims” for “Claims Court” in table.

Subsec. (i)(5). Pub. L. 102–378 redesignated par. (5), relating to United States Claims Court judges, as (6).

Subsec. (i)(6). Pub. L. 102–572, § 902(b)(1), substituted “United States Court of Federal Claims” for “United States Claims Court”.

Pub. L. 102–378 redesignated par. (5), relating to United States Claims Court judges, as (6).

1991—Subsec. (i)(5). Pub. L. 102–40 substituted “section 7296 of title 38” for “section 4096 of title 38”.

1990—Subsec. (a)(1). Pub. L. 101–650, § 306(c)(2)(A), inserted “a Claims Court Judge,” after “Member,”.

Subsec. (c). Pub. L. 101–650, § 306(c)(2)(B), inserted table covering percentages of pay and service periods for a Claims Court Judge.

Subsec. (d). Pub. L. 101–508, § 7001(b)(1), designated existing provisions as par. (1) and added par. (2).

Subsec. (e)(1), (2). Pub. L. 101–508, § 7001(b)(2)(A), substituted “(d)(1),” for “(d),”.

Subsec. (f). Pub. L. 101–508, § 7001(b)(2)(B), substituted “(d)(1)” for “(d)”.

Subsec. (h). Pub. L. 101–508, § 7001(b)(2)(A), substituted “(d)(1),” for “(d),”.

Subsec. (i)(5). Pub. L. 101–650, § 3069(e)(2), added par. (5) relating to judges covered by a section of title 28.

1989—Subsec. (i)(5). Pub. L. 101–94 added par. (5) relating to judges covered by a section of title 38.

1988—Subsec. (c). Pub. L. 100–238, § 102, struck out period at end and inserted “, and, with respect to any such service performed after December 31, 1986, be equal to the amount that would have been deducted from the employee’s basic pay under subsection (k) of this section if the employee’s pay had been subject to that subsection during such period.”

Subsec. (i)(4). Pub. L. 100–659 added par. (4).

Subsec. (k)(4). Pub. L. 100–238, § 108(b)(1), added par. (4).

1987—Subsec. (a)(1). Pub. L. 100–53, § 2(b)(1), substituted “Member, a United States magistrate, a judge” for “Member and a judge” and “Appeals,” for “Appeals”.

Subsec. (c). Pub. L. 100–53, § 2(b)(2), inserted table covering percentages of basic pay and service periods for United States magistrates.

1986—Subsec. (c). Pub. L. 99–335, § 201(c), inserted provision that notwithstanding preceding provisions of this subsection and any provision of section 206(b)(3) of Federal Employees’ Retirement Contribution Temporary Adjustment Act of 1983, the percentage of basic pay required under this subsection in case of an individual described in section 8402(b)(2) of this title shall, with respect to any covered service performed after Dec. 31, 1983, and before Jan. 1, 1987, be equal to 1.3 percent.

Subsec. (e)(1), (2). Pub. L. 99–335, § 201(a)(2)(A), substituted “(j), or (k)” for “or (j)”.

Subsec. (f). Pub. L. 99–335, § 201(a)(2)(B), inserted “or (k)” after “subsection (a)”.

Subsec. (h). Pub. L. 99–335, § 201(a)(2)(C), substituted “(j), and (k)” for “and (j)”.

Subsec. (i)(3). Pub. L. 99–514 substituted “Internal Revenue Code of 1986” for “Internal Revenue Code of 1954”.

Subsec. (k). Pub. L. 99–335, § 201(a)(1), added subsec. (k).

Subsec. (k)(2)(C)(iv). Pub. L. 99–514 substituted “Internal Revenue Code of 1986” for “Internal Revenue Code of 1954”.

1984—Subsec. (a)(1). Pub. L. 98–353, § 116(b)(1), inserted “and a bankruptcy judge”.

Subsec. (c). Pub. L. 98–353, § 116(b)(2), substituted in the table relating to bankruptcy judges the items relating to 7 percent for the period Jan. 1, 1970 to Dec. 31, 1983, and 8 percent for the period after Dec. 31, 1983, for the prior item relating to 7 percent for the period after Jan. 1, 1970.

Subsec. (h). Pub. L. 98–615 substituted “annuities, deposits authorized by subsections (c), (d), and (j) of this section and by section 8339(j)(5)(C) and the last sentence of section 8339(k)(2) of this title may also be made by a survivor” for “annuity, deposits authorized by subsections (c), (d), and (j) of this section may also be made by the survivor”.

1983—Subsec. (a)(1). Pub. L. 98–94, § 1256(a)(1), inserted “and a judge of the United States Court of Military Appeals” after “and 8 percent of the basic pay of a Member”.

Subsec. (c). Pub. L. 98–94, § 1256(a)(2), added to the table items covering a judge of the United States Court of Military Appeals for service as a judge of that court.

Subsec. (g)(4). Pub. L. 98–129 substituted “October 29, 1983,” for “January 1, 1950”, and directed that the phrase “except where deductions, contributions, and deposits were made before October 29, 1983” be inserted after “the Pribilof Islands” which amendment was executed by inserting that phrase after “the Pribilof Islands” the second time those words appear, as the probable intent of Congress.

Subsec. (j)(2)(A). Pub. L. 98–94, § 1257, substituted “October 1, 1983” for “October 1, 1982”.

1982—Subsec. (e). Pub. L. 97–253, § 303(a)(1), redesignated existing provisions as par. (2), inserted provision that interest accrues annually on the outstanding portion of any amount that may be deposited under subsec. (c), (d), or (j) of this section, and is compounded annually until the portion is deposited, substituted “Such interest” for “Interest under subsection (c) or (d) of this section”, struck out “, to the date of deposit or commencing date of annuity, whichever is earlier” after “date refund was paid”, and struck out provision that the interest was computed at the rate of four percent a year to Dec. 31, 1947, and 3 percent thereafter compounded annually, and added pars. (1) and (3).

Subsec. (e)(3). Pub. L. 97–346, § 3(c), substituted “the preceding fiscal year” for “the preceding calendar year” and “during such fiscal year” for “during such calendar year”.

Subsec. (g)(2). Pub. L. 97–253, § 306(e), inserted “, except to the extent provided under section 8332(c) or section 8334(j) of this title”.

Subsec. (h). Pub. L. 97–346, § 3(d), inserted reference to subsec. (j).

Subsec. (i). Pub. L. 97–164 added subsec. (i).

Subsec. (j). Pub. L. 97–253, § 306(d), added subsec. (j).

Subsec. (j)(1). Pub. L. 97–346, § 3(a), substituted “period” for “month”.

Pub. L. 97–346, § 3(e)(1), struck out “within 90 days after the effective date of this subsection” after “regulations as the Office shall issue”, and substituted “The amount of such payments shall be based on such evidence of basic pay for military service as the employee or Member may provide, or if the Office determines sufficient evidence has not been so provided to adequately determine basic pay for military service, such payment shall be based upon estimates of such basic pay provided to the Office under paragraph (4)” for “as certified to the agency, the Secretary of the Senate, or the Clerk of the House of Representatives, as appropriate, by the Secretary of Defense, the Secretary of Transportation, the Secretary of Commerce, or the Secretary of Health and Human Services, as appropriate, upon the employee’s or Member’s request”.

1978—Subsec. (c). Pub. L. 95–598 inserted bankruptcy judge schedule of deposits.

Subsec. (f). Pub. L. 95–454 substituted “Office of Personnel Management” for “Civil Service Commission”.

Subsec. (g)(6). Pub. L. 95–382 added par. (6).

1975—Subsec. (c), Pub. L. 94–126, § 1(a), struck out last sentence requiring that deposit, with respect to a period of service referred to in section 8332(b)(6) of this title performed before Jan. 1, 1969, shall be an amount equal to 55 percent of a deposit computed in accordance with such provisions.

Subsec. (g)(5). Pub. L. 94–126, § 2(a), substituted reference to “section 8339(m) of this title” for “section 8339(n) of this title”.

1974—Subsec. (a)(1). Pub. L. 93–350, § 3(a), inserted “a law enforcement officer, and a firefighter,” after “Congressional employee,”.

Subsec. (c). Pub. L. 93–350, § 3(b), inserted schedule for law enforcement officer for law enforcement service and firefighter for firefighter service.

1972—Subsec. (g)(5). Pub. L. 92–297 substituted “section 8339(n)” for “section 8339(m)”.

1969—Subsec. (a)(1). Pub. L. 91–93, § 102(a)(1), designated first and second sentences of subsec. (a) as subsec. (a)(1), increasing by one-half percent the deduction from the basic pay of an employee and a Member to 7 and 8 percent, respectively, and providing for a 7½ percent deduction from basic pay of a Congressional employee.

Subsec. (a)(2). Pub. L. 91–93, § 102(a)(1), designated third and fourth sentences of subsec. (a) as subsec. (a)(2), deleting “under this section” after “Member”.

Subsec. (c). Pub. L. 91–93, § 102(a)(2), substituted service period Nov. 1, 1956, to Dec. 31, 1969, for prior service period after Oct. 31, 1956, for deductions of 6½ percent of basic pay of an employee, inserted provision for 7 percent deduction from basic pay of an employee for service period after Dec. 31, 1969, inserted percentage of basic pay and service period provisions for Member or employee for Congressional employee service, substituted service period Nov. 1, 1956; to Dec. 31, 1969, for prior service period after Oct. 31, 1956, for deduction of 7½ percent of basic pay of Member for Member service, inserted provision for 8 percent deduction from basic pay of Member for Member service after Dec. 31, 1969, and inserted provision for amount of deposit for period of service performed before Jan. 1, 1969.

Subsec. (g)(5). Pub. L. 91–93, § 202, added par. (5).

1968—Subsec. (c). Pub. L. 90–486 inserted provisions that the deposit with respect to a period of service referred to in section 8332(b)(6) of this title which was performed prior to the specified effective date shall be an amount equal to 55 percent of a deposit computed in accordance with such provisions.

“United States magistrate judge” and “magistrate judge” substituted for “United States magistrate” and “magistrate”, respectively, wherever appearing in subsecs. (c) and (i)(4) pursuant to section 321 of Pub. L. 101–650, set out as a note under section 631 of Title 28, Judiciary and Judicial Procedure.

Pub. L. 111–84, div. A, title XIX, § 1902(b), Oct. 28, 2009, 123 Stat. 2615, provided that: “The amendment made by subsection (a) [amending this section] shall be effective with respect to any annuity, entitlement to which is based on a separation from service occurring on or after the date of enactment of this Act [Oct. 28, 2009].”

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.

Pub. L. 109–435, title VIII, § 805, Dec. 20, 2006, 120 Stat. 3253, provided that: “(a) In General.—Except as provided under subsection (b), this title [see Short Title of 2006 Amendment note set out under section 101 of this title] shall take effect on October 1, 2006. “(b) Termination of Employer Contribution.—The amendment made by paragraph (1) of section 802(a) [amending this section] shall take effect on the first day of the first pay period beginning on or after October 1, 2006.”

Pub. L. 108–18, § 4, Apr. 23, 2003, 117 Stat. 630, provided that: “This Act [see section 1 of Pub. L. 108–18, set out as a Short Title of 2003 Amendments note under section 101 of this title] and the amendments made by this Act shall become effective on the date of the enactment of this Act [Apr. 23, 2003], except that the amendments made by section 2(b) [amending this section] shall apply with respect to pay periods beginning on or after such date.”

Amendment by Pub. L. 107–107 applicable only to separations from service as an employee of the United States on or after Dec. 28, 2001, see section 1132(c) of Pub. L. 107–107, set out as a note under section 8332 of this title.

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.

Pub. L. 106–346, § 101(a) [title V, § 505(i)], Oct. 23, 2000, 114 Stat. 1356, 1356A–54, provided that: “The amendments made by this section [amending this section, section 8422 of this title, sections 4045, 4071c, and 4071e of Title 22, Foreign Relations and Intercourse, and section 2082 of Title 50, War and National Defense, enacting provisions set out as notes under this section, section 4045 of Title 22, and section 2021 of Title 50, and amending provisions set out as notes under section 4045 of Title 22 and section 2021 of Title 50] shall take effect upon the close of calendar year 2000, and shall apply thereafter.”

Amendment by Pub. L. 105–261 effective at the beginning of the first pay period that begins 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.

Pub. L. 105–61, title V, § 516(b), Oct. 10, 1997, 111 Stat. 1307, provided that: “The amendments made by subsection (a) [amending this section and sections 8337, 8339, 8341, 8343a, 8344, 8415, 8422, and 8468 of this title] shall be applicable to any annuity commencing before, on, or after the date of enactment of this Act [Oct. 10, 1997], and shall be effective with regard to any payment made after the first month following the date of enactment.”

Pub. L. 105–33, title VII, § 7001(f), Aug. 5, 1997, 111 Stat. 662, provided that: “(1) In general.—This section [amending this section, section 8422 of this title, sections 4045, 4071c, and 4071e of Title 22, Foreign Relations and Intercourse, and section 2082 of Title 50, War and National Defense, and enacting provisions set out as notes under this section, section 8422 of this title, sections 4045 and 4071c of Title 22, and section 2021 of Title 50] shall take effect on—“(A) October 1, 1997; or “(B) if later, the date of enactment of this Act [Aug. 5, 1997]. “(2) Special rule.—If the date of enactment of this Act is later than October 1, 1997, then any reference to October 1, 1997, in subsection (a)(1), (c)(1), or (d)(1) shall be treated as a reference to the date of enactment of this Act.”

Amendment by Pub. L. 103–353 effective with respect to reemployments initiated on or after the first day after the 60-day period beginning Oct. 13, 1994, with transition rules, see section 8 of Pub. L. 103–353, set out as an Effective Date note under section 4301 of Title 38, Veterans’ Benefits.

Amendment by Pub. L. 103–82 effective Oct. 1, 1993, and applicable with respect to any individual entitled to an annuity on the basis of a separation from service occurring on or after Oct. 1, 1993, see sections 371(c) and 392 of Pub. L. 103–82, set out as notes under section 8332 of this title and section 4951 of Title 42, The Public Health and Welfare, respectively.

Amendment by Pub. L. 103–66 effective on first day of first month beginning at least 30 days after Aug. 10, 1993, and applicable to all deposits required under section 8339(j)(3) or (5), 8339(k)(2), or 8418 of this title, on which no payment has been made prior to such effective date, see section 11004(c) of Pub. L. 103–66, set out as a note under section 8339 of this title.

Amendment by Pub. L. 102–572 effective Oct. 29, 1992, see section 911 of Pub. L. 102–572, set out as a note under section 171 of Title 28, Judiciary and Judicial Procedure.

Amendment by Pub. L. 101–650 applicable to judges of, and senior judges in active service with, the United States Court of Federal Claims on or after Dec. 1, 1990, see section 306(f) of Pub. L. 101–650, set out as a note under section 8331 of this title.

Pub. L. 101–508, title VII, § 7001(b)(3), Nov. 5, 1990, 104 Stat. 1388–329, provided that: “The amendments made by this subsection [amending this section and sections 8339 and 8342 of this title] shall be effective with respect to any annuity having a commencement date later than December 1, 1990.”

Amendment by Pub. L. 100–659 effective Nov. 15, 1988, and applicable to bankruptcy judges and magistrate judges who retire on or after Nov. 15, 1988, with exception for judges and magistrate judges retiring on or after July 31, 1987, see section 9 of Pub. L. 100–659, as amended, set out as an Effective Date note under section 377 of Title 28, Judiciary and Judicial Procedure.

Pub. L. 100–238, title I, § 108(b)(3), Jan. 8, 1988, 101 Stat. 1748, provided that: “The amendments made by this subsection [amending this section and section 8349 of this title] shall be effective as of January 1, 1987.”

Amendment by Pub. L. 100–53 effective Oct. 1, 1987, and applicable to bankruptcy judges and United States magistrate judges in office on that date and to individuals subsequently appointed to such positions to whom this chapter otherwise applies, see section 3 of Pub. L. 100–53, as amended, set out as a note under section 8331 of this title.

Amendment by Pub. L. 99–335 effective Jan. 1, 1987, see section 702(a) of Pub. L. 99–335, set out as an Effective Date note under section 8401 of this title.

Amendment by Pub. L. 98–615 effective May 7, 1985, with enumerated exceptions and specific applicability provisions, see section 4(a)(1) of Pub. L. 98–615, as amended, set out as a note under section 8341 of this title.

Amendment by Pub. L. 98–353 effective July 10, 1984, and applicable to bankruptcy judges who retire on or after such date, see section 116(e) of Pub. L. 98–353, set out as a note under section 8331 of this title. See, also, section 122(a) of Pub. L. 98–353, set out as an Effective Date note under section 151 of Title 28, Judiciary and Judicial Procedure.

Pub. L. 98–94, title XII, § 1256(f), Sept. 24, 1983, 97 Stat. 702, provided that: “The increase in deductions from the pay of a judge of the United States Court of Military Appeals [now United States Court of Appeals for the Armed Forces] required by section 8334(a) of title 5, United States Code, as amended by subsection (a), shall take effect with respect to the first pay period that begins after the date of the enactment of this Act [Sept. 24, 1983].”

Pub. L. 97–253, title III, § 303(d)(1), Sept. 8, 1982, 96 Stat. 794, as amended by Pub. L. 97–346, § 3(j)(1), Oct. 15, 1982, 96 Stat. 1649, provided that:

“The amendments made by subsections (a) and (b) [amending this section and sections 8339 and 8343 of this title] shall apply with respect to deposits for service performed on or after October 1, 1982, and with respect to refunds for which application is received by either the employing agency or the Office of Personnel Management on or after such date. The provisions of section 8334 and section 8339(i) of title 5, United States Code, as in effect the day before the date of the enactment of this Act [Sept. 7, 1982], shall continue to apply with respect to periods of service and refunds occurring on or before September 30, 1982. Notwithstanding the preceding two sentences, the amendments made by subsection (a) shall apply in the case of any deposit for military service under section 8334(j) of title 5, United States Code (as added by section 306(d) of this Act), regardless of whether such military service was performed before or after October 1, 1982.”

Amendment by section 306(d), (e) of Pub. L. 97–253 effective Oct. 1, 1982, except that any employee or Member who retired after Sept. 8, 1982, and before Oct. 1, 1985, or is entitled to an annuity under chapter 83 of this title based on a separation from service occurring during such period, or a survivor of such individual, may make a payment under section 8334(j)(1) of this title, and regulations required to be issued under section 8334(j)(1) of this title, to be issued by the Office of Personnel Management within 90 days after such effective date, see section 306(g) of Pub. L. 97–253, as amended, set out as a note under section 8331 of this title.

Amendment by Pub. L. 97–164 effective Oct. 1, 1982, see section 402 of Pub. L. 97–164, set out as a note under section 171 of Title 28, Judiciary and Judicial Procedure.

Amendment by Pub. L. 95–598 effective Nov. 6, 1978, see section 402(d) of Pub. L. 95–598, set out as an Effective Date note preceding section 101 of Title 11, Bankruptcy.

Amendment by Pub. L. 95–454 effective 90 days after Oct. 13, 1978, see section 907 of Pub. L. 95–454, set out as a note under section 1101 of this title.

Amendment by Pub. L. 95–382 effective Oct 1, 1978, and applicable to specified annuities, see section 2 of Pub. L. 95–382, set out as a note under section 8332 of this title.

Pub. L. 94–126, § 3, Nov. 12, 1975, 89 Stat. 679, provided that: “The amendments made by the first section of this Act [amending this section and sections 8339 and 8345 of this title] shall become effective as of January 1, 1969, except that such amendments shall not apply to a person who, on the date of enactment of this Act [Nov. 12, 1975], is receiving or is entitled to receive benefits under any retirement system established by the United States or any instrumentality thereof, unless such person requests, in writing, the office which administers his retirement system to apply such amendments to him. Any additional benefits payable pursuant to such a written request shall commence on the first day of the month [December] following the date of the enactment of this Act.”

Amendment by Pub. L. 93–350 effective at beginning of first applicable pay period which begins after Dec. 31, 1974, see section 7 of Pub. L. 93–350, set out as a note under section 3307 of this title.

Amendment by Pub. L. 92–297 effective on 90th day after May 16, 1972, see section 10 of Pub. L. 92–297, set out as an Effective Date note under section 3381 of this title.

Pub. L. 91–93, title I, § 102(b), Oct. 20, 1969, 83 Stat. 137, provided that: “The amendment made by subsection (a)(1) of this section [amending this section] shall become effective at the beginning of the first applicable pay period beginning after December 31, 1969.”

Amendment by Pub. L. 91–93 inapplicable in cases of persons retired or otherwise separated prior to Oct. 20, 1969, their rights and of their survivors continued as if such amendment had not been enacted, see section 207(a) of Pub. L. 91–93, set out as a note under section 8331 of this title.

Amendment by Pub. L. 90–486 effective Jan. 1, 1969, except that no deductions or withholding from salary which result therefrom shall commence before first day of first pay period that begins on or after Jan. 1, 1968, see section 11 of Pub. L. 90–486, set out as a note under section 709 of Title 32, National Guard.

Pub. L. 115–352, § 3(c), Dec. 21, 2018, 132 Stat. 5068, provided that: “All payments from the Office of Personnel Management authorized by subsections (a) and (b) [amending this section and section 8422 of this title] shall be paid from the Civil Service Retirement and Disability Fund, and together with administrative expenses incurred by the Office in administering these subsections, shall be deemed to have been authorized to be paid from that Fund, which is appropriated for the payment thereof.”

Pub. L. 106–346, § 101(a) [title V, § 505(f)], Oct. 23, 2000, 114 Stat. 1356, 1356A–54, provided that:

Pub. L. 105–261, div. C, title XXXI, § 3154(c)(3), Oct. 17, 1998, 112 Stat. 2255, provided that: “Notwithstanding subsection (a)(1) or (k)(1) of section 8334 of title 5, United States Code, or section 7001(a) of Public Law 105–33 [set out as a note below], during the period beginning on the effective date provided for under subsection (n)(1) [set out as an Effective Date of 1998 Amendment note under section 8331 of this title] and ending on September 30, 2002, the Department of Energy shall deposit in the Treasury of the United States to the credit of the Civil Service Retirement and Disability Fund on behalf of each nuclear materials courier from whose basic pay a deduction is made under such subsection (a)(1) during that period an amount equal to 9.01 percent of such basic pay, in lieu of the agency contributions otherwise required under such subsection (a)(1) during that period.”

Section 7001(a)(1), (2) of Pub. L. 105–33 provided that: “(1) Agency contributions.—“(A) In general.—Notwithstanding section 8334(a)(1) or (k)(1) of title 5, United States Code, during the period beginning on October 1, 1997, through September 30, 2002, each employing agency (other than the United States Postal Service or the Metropolitan Washington Airports Authority) shall contribute—“(i) 8.51 percent of the basic pay of an employee; “(ii) 9.01 percent of the basic pay of a congressional employee, a law enforcement officer, a member of the Capitol police, or a firefighter; and “(iii) 9.51 percent of the basic pay of a Member of Congress, a Court of Federal Claims judge, a United States magistrate [now United States magistrate judge], a judge of the United States Court of Appeals for the Armed Forces, or a bankruptcy judge; in lieu of the agency contributions otherwise required under section 8334(a)(1) of title 5, United States Code. “(B) Application.—For purposes of subparagraph (A) and notwithstanding the amendments made by paragraph (3) [amending this section], during the period beginning on January 1, 1999 through December 31, 2002, with respect to the United States Postal Service and the Metropolitan Washington Airports Authority, the agency contribution shall be determined as though those amendments had not been made. “(2) No reduction in agency contributions by the postal service.—Contributions by the Treasury of the United States or the United States Postal Service under section 8348(g), (h), or (m) of title 5, United States Code—“(A) shall not be reduced as a result of the amendments made under paragraph (3) of this subsection; and “(B) shall be computed as though such amendments had not been enacted.”

Section 103(e) of Pub. L. 100–238 provided that: “Notwithstanding any other provision of law, in the case of an employee of the United States Secret Service or the United States Park Police whose pay is simultaneously subject to a deposit requirement under the District of Columbia Police and Firefighters’ Retirement and Disability System and the contribution requirement under section 3101(a) of the Internal Revenue Code of 1986 [26 U.S.C. 3101(a)]— “(1) any deposits under the District of Columbia Police and Firefighters’ Retirement and Disability System shall be adjusted in a manner consistent with section 8334(k) of title 5, United States Code (relating to offsets in deductions from pay to reflect OASDI contributions); and “(2) any benefits payable under the District of Columbia Police and Firefighters’ Retirement and Disability System based on the service of any such employee shall be adjusted in a manner consistent with section 8349 of title 5, United States Code (relating to offsets to reflect benefits under title II of the Social Security Act [42 U.S.C. 401 et seq.]).”

[For transfer of the functions, personnel, assets, and obligations of the United States Secret Service, including the functions of the Secretary of the Treasury relating thereto, to the Secretary of Homeland Security, and for treatment of related references, see sections 381, 551(d), 552(d), and 557 of Title 6, Domestic Security, and the Department of Homeland Security Reorganization Plan of November 25, 2002, as modified, set out as a note under section 542 of Title 6.]

Section 128 of Pub. L. 100–238 provided that: “(a) Refund Eligibility.—An individual shall upon written application to the Office of Personnel Management, receive a refund under subsection (b), if such individual—“(1) was subject to section 8334(a)(1) of title 5, United States Code, for any period of service after December 31, 1983, because of an election under section 208(a)(1)(B) of the Federal Employees’ Retirement Contribution Temporary Adjustment Act of 1983 (97 Stat. 1107; 5 U.S.C. 8331 note); “(2) is not eligible to make an election under section 301(b) of the Federal Employees’ Retirement System Act of 1986 (Public Law 99–335; 100 Stat. 599) [5 U.S.C. 8331 note]; and “(3) becomes subject to section 8334(k) of title 5, United States Code. “(b) Refund Computation.—An individual eligible for a refund under subsection (a) shall receive a refund—“(1) for the period beginning on January 1, 1984, and ending on December 31, 1986, for the amount by which—“(A) the total amount deducted from such individual’s basic pay under section 8334(a)(1) of title 5, United States Code, for service described in subsection (a)(1) of this section, exceeds “(B) 1.3 percent of such individual’s total basic pay for such period; and “(2) for the period beginning on January 1, 1987, and ending on the day before such individual becomes subject to section 8334(k) of title 5, United States Code, for the amount by which—“(A) the total amount deducted from such individual’s basic pay under section 8334(a)(1) of title 5, United States Code, for service described in subsection (a)(1) of this section, exceeds “(B) the total amount which would have been deducted if such individual’s basic pay had instead been subject to section 8334(k) of title 5, United States Code, during such period. “(c) Interest Computation.—A refund under this section shall be computed with interest in accordance with section 8334(e) of title 5, United States Code, and regulations prescribed by the Office of Personnel Management.”

Amendment by Pub. L. 90–486 not applicable to persons employed prior to Jan. 1, 1969, whose employment was covered by the civil service retirement provisions of section 8331 et seq. of this title, see section 5(d) of Pub. L. 90–486, set out as a note under section 709 of Title 32, National Guard.