Section 230 of the Social Security Act, referred to in subsec. (c)(1), (2)(A), is classified to section 430 of Title 42, The Public Health and Welfare.

Section 218 of the Social Security Act, referred to in subsec. (c)(2)(B), is classified to section 418 of Title 42.

1993—Subsec. (c)(1). Pub. L. 103–66, § 13207(d)(1), substituted “section 3101(a) or section 3201(a) (to the extent of so much of the rate applicable under section 3201(a) as does not exceed the rate of tax in effect under section 3101(a))” for “section 3101 or section 3201”.

Subsec. (c)(2)(B), (C). Pub. L. 103–66, § 13207(d)(2), substituted “section 3101(a)” for “section 3101” wherever appearing.

Subsec. (c)(3). Pub. L. 103–66, § 13207(d)(3), struck out heading and text of par. (3). Text read as follows: “In applying this subsection with respect to—

“(A) the tax imposed by section 3101(b) (or any amount equivalent to such tax), and

“(B) so much of the tax imposed by section 3201 as is determined at a rate not greater than the rate in effect under section 3101(b),

the applicable contribution base determined under section 3121(x)(2) for any calendar year shall be substituted for ‘contribution and benefit base (as determined under section 230 of the Social Security Act)’ each place it appears.”

1990—Subsec. (c)(3). Pub. L. 101–508 substituted heading for one which read: “Applicability with respect to compensation of employees subject to the Railroad Retirement Tax Act” and amended text generally. Prior to amendment, text read as follows: “In the case of any individual who, during any calendar year, receives wages from one or more employers and also receives compensation which is subject to the tax imposed by section 3201 or 3211, such compensation shall, solely for purposes of applying paragraph (1) with respect to the tax imposed by section 3101(b), be treated as wages received from an employer with respect to which the tax imposed by section 3101(b) was deducted.”

1986—Subsec. (a)(5). Pub. L. 99–272, § 13205(a)(2)(E)(i), added par. (5).

Subsec. (c)(2)(D) to (F). Pub. L. 99–272, § 13205(a)(2)(E)(ii)(I), substituted “3125(b)”, “3125(c)”, and “3125(d)” for “3125(a)”, “3125(b)”, and “3125(c)”, respectively, in subpars. (D), (E), and (F), respectively.

Subsec. (c)(2)(G). Pub. L. 99–272, § 13205(a)(2)(E)(ii)(II), added subpar. (G).

1983—Pub. L. 98–67 repealed amendments made by Pub. L. 97–248. See 1982 Amendment note below.

Subsec. (c)(2). Pub. L. 98–21, § 321(e)(4)(B), substituted “foreign affiliates” for “foreign corporations” in heading.

Subsec. (c)(2)(C). Pub. L. 98–21, § 321(e)(4)(A), substituted “foreign affiliates” for “foreign corporations” in heading and, in text, substituted “American employer” for “domestic corporation”.

1982—Catchline and subsecs. (a)(1), (b), (c)(1). Pub. L. 97–248 provided that, applicable to payments of interest, dividends, and patronage dividends paid or credited after June 30, 1983, the section catchline is amended by substituting “taxes under subtitle C” for “employment taxes”; subsec. (a)(1) is amended by substituting “3402 or 3451 is paid with respect to any payment of remuneration, interest, dividends, or other amounts,” for “or 3402 is paid with respect to any payment of remuneration,”; subsec. (b) is amended by striking out “of certain employment taxes” from heading, and by substituting “3402 or 3451 is paid or deducted with respect to any payment of remuneration, interest, dividends, or other amount”; and subsec. (c)(1) is amended by substituting “section 31(c)” for “section 31(b)”. Section 102(a), (b) of Pub. L. 98–67, title I, Aug. 5, 1983, 97 Stat. 369, repealed sub­title A (§§ 301–308) of title III of Pub. L. 97–248 as of the close of June 30, 1983, and provided that the Internal Revenue Code of 1954 [now 1986] [this title] shall be applied and administered (subject to certain exceptions) as if such subtitle A (and the amendments made by such subtitle A) had not been enacted.

1976—Subsec. (a)(1). Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”.

Subsec. (a)(4). Pub. L. 94–455, § 1906(a)(23)(A), substituted “Mayor of the District of Columbia and each agent designated by him” for “Commissioners of the District of Columbia and each agent designated by them”.

Subsec. (b). Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”.

Subsec. (c)(1). Pub. L. 94–455, § 1906(a)(23)(B)(i), struck out “or his delegate” after “Secretary” and substituted general provision for entitlement to credit or refund of employment taxes deducted from an employee receiving wages from more than one employer during a calendar year and in excess of employment taxes with respect to amount of wages received in the calendar year equal to the contribution and benefit base determined under section 230 of the Social Security Act and effective with respect to such calendar year for prior specific provisions for such credit or refund of employment taxes deducted in excess of prescribed amount for base limits and applicable periods set forth below:

and amount equal to the contribution and benefit base determined under section 230 of the Social Security Act and effective with respect to calendar year after calendar year 1974, and thereafter.

Subsec. (c)(2)(A). Pub. L. 94–455, § 1906(a)(23)(B)(ii), substituted “the amount, not to exceed an amount equal to the contribution and benefit base (as determined under section 230 of the Social Security Act) for any calendar year” for “the amount, not to exceed $3,600 for the calendar year 1951, 1952, 1953, or 1954, $4,200 for the calendar year 1955, 1956, 1957, or 1958, $4,800 for the calendar year 1959, 1960, 1961, 1962, 1963, 1964, or 1965, $6,600 for the calendar year 1966 or 1967, $7,800 for the calendar year 1968, 1969, 1970, or 1971, $9,000 for the calendar year 1972, $10,800 for the calendar year 1973, $13,200 for the calendar year 1974, or an amount equal to the contribution and benefit base (as determined under section 230 of the Social Security Act) for any calendar year after 1974” before “with respect to which such contribution and benefit base is effective”.

Subsec. (c)(2)(C). Pub. L. 94–455, § 1906(b)(13)(A), struck out “or his delegate” after “Secretary”.

Subsec. (c)(2)(F). Pub. L. 94–455, § 1906(a)(23)(C), substituted “Mayor of the District of Columbia and each agent designated by him” for “Commissioners of the District of Columbia and each agent designated by them”.

Subsec. (c)(3). Pub. L. 94–455, § 1906(a)(23)(D), struck out “after 1967” after “calendar year”.

1974—Subsec. (c)(1). Pub. L. 93–445 inserted “or section 3201, or by both such sections” after “section 3101” and inserted provision that for purposes of subsec. (c)(1) the term “wages” include compensation as defined in section 3231(e).

1973—Subsec. (c)(1). Pub. L. 93–233, § 5(b)(5), substituted “$13,200” for “$12,600” whenever appearing.

Pub. L. 93–66, § 203(b)(5), substituted “$12,600” for “$12,000” wherever appearing.

Subsec. (c)(2)(A). Pub. L. 93–233, § 5(b)(6), substituted “$13,200” for “$12,600”.

Pub. L. 93–66, § 203(b)(6), substituted “$12,600” for “$12,000”.

1972—Subsec. (c)(1). Pub. L. 92–336, § 203(b)(5), inserted “and prior to the calendar year 1973” after “after the calendar year 1971”, inserted provisions of cls. (F) to (H), and provisions relating to wages received after 1971 and before 1973, after 1972 and before 1974, after 1973 and before 1975, and the calendar year after 1974.

Subsec. (c)(2)(A). Pub. L. 92–336, § 203(b)(6), as amended by Pub. L. 92–603, § 144(c), eff. July 1, 1972, inserted provisions relating to amounts to be included within the term “wages” for the calendar years 1972, 1973, 1974, or any calendar year after 1974.

1971—Subsec. (c)(1). Pub. L. 92–5, § 203(b)(5), inserted “and prior to the calendar year 1972” after “after the calendar year 1967”, “or (E) during any calendar year after the calendar year 1971, the wages received by him during such year exceed $9,000,” after “exceed $7,800,” and inserted before the period at end of subpar. (1) “and before 1972, or which exceeds the tax with respect to the first $9,000 of such wages received in such calendar year after 1971”.

Subsec. (c)(2)(A). Pub. L. 92–5, § 203(b)(6), substituted “$7,800 for the calendar year 1968, 1969, 1970, or 1971, or $9,000 for any calendar year after 1971” for “or $7,800 for any calendar year after 1967”.

1968—Subsec. (c)(1). Pub. L. 90–248, § 108(b)(5), inserted “and prior to the calendar year 1968” after “the calendar year 1965”, “or (D) during any calendar year after the calendar year 1967, the wages received by him during such year exceed $7,800,” after “exceed $6,600,”, and “and before 1968, or which exceeds the tax with respect to the first $7,800 of such wages received in such calendar year after 1967”.

Subsec. (c)(2)(A). Pub. L. 90–248, § 108(b)(6), substituted “$6,600 for the calendar year 1966 or 1967, or $7,800 for any calendar year after 1967” for “or $6,600 for any calendar year after 1965”.

Subsec. (c)(3). Pub. L. 90–248, § 502(a), added par. (3).

1965—Subsec. (a)(4). Pub. L. 89–97, § 317(e), added par. (4).

Subsec. (c)(1). Pub. L. 89–97, § 320(b)(5), inserted “and prior to the calendar year 1966” after “the calendar year 1958”, “or (C) during any calendar year after the calendar year 1965, the wages received by him during such year exceed $6,600” after “exceed $4,800,”, and “and before 1966, or which exceeds the tax with respect to the first $6,600 of such wages received in such calendar year after 1965” before the period at end of par.

Subsec. (c)(2)(A). Pub. L. 89–97, § 320(b)(6), substituted “$4,800 for the calendar year 1959, 1960, 1961, 1962, 1963, 1964, or 1965, or $6,600 for any calendar year after 1965” for “or $4,800 for any calendar year after 1958”.

Subsec. (c)(2)(F). Pub. L. 89–97, § 317(f)(1), added subpar. (F) and inserted reference to the District of Columbia in heading.

1960—Subsec. (a)(3). Pub. L. 86–778, § 103(r)(2), added par. (3).

Subsec. (c)(2). Pub. L. 86–778, § 103(r) (3), (4), inserted governmental employees in Guam and American Samoa in heading, and added subpars. (D) and (E).

1958—Subsec. (c)(1). Pub. L. 85–840, § 402(d)(1), conformed the special-refund provisions to the increase made by Pub. L. 85–840, in the limitation on wages from $4,200 to $4,800 for calendar years after 1958.

Subsec. (c)(2)(A). Pub. L. 85–840, § 402(d)(2), substituted “$4,200 for the calendar year 1955, 1956, 1957, or 1958, or $4,800 for any calendar year after 1958” for “$4,200 for any calendar year after 1954”.

1954—Subsec. (c)(1). Act Sept. 1, 1954, § 202(a)(1), conformed the special-refund provisions to the increase made by said act Sept. 1, 1954, in the limitation on wages from $3,600 to $4,200 for calendar years after 1954.

Subsec. (c)(2). Act Sept. 1, 1954, § 202(b)(1), inserted “and employees of certain foreign corporations” in heading.

Subsec. (c)(2)(A). Act Sept. 1, 1954, § 202(b)(2), substituted “$3,600 for the calendar year 1951, 1952, 1953, or 1954, or $4,200 for any calendar year after 1954” for ‘$3,600”.

Subsec. (c)(2)(C). Act Sept. 1, 1954, § 202(b)(3), added subpar. (C).

Amendment by Pub. L. 103–66 applicable to 1994 and later calendar years, see section 13207(e) of Pub. L. 103–66, set out as a note under section 1402 of this title.

Amendment by Pub. L. 101–508 applicable to 1991 and later calendar years, see section 11331(e) of Pub. L. 101–508, set out as a note under section 1402 of this title.

Amendment by Pub. L. 99–272 applicable to services performed after Mar. 31, 1986, see section 13205(d)(1) of Pub. L. 99–272, set out as a note under section 3121 of this title.

Amendment by Pub. L. 98–21 applicable to agreements entered into after Apr. 20, 1983, except that at election of any American employer such amendment shall also apply to any agreement entered into on or before Apr. 20, 1983, see section 321(f) of Pub. L. 98–21, set out as a note under section 406 of this title.

Amendment by section 1906(a)(23)(A), (C), (D), (b)(13)(A) of Pub. L. 94–455 effective on first day of first month which begins more than ninety days after Oct. 4, 1976, see section 1906(d)(1) of Pub. l. 94–455, set out as a note under section 6013 of this title.

Pub. L. 94–455, title XIX, § 1906(a)(23)(B)(iii), Oct. 4, 1976, 90 Stat. 1826, provided that: “The amendments made by clauses (i) and (ii) [amending this section] shall apply with respect to remuneration paid after December 31, 1976.”

Amendment by Pub. L. 93–445 effective Jan. 1, 1975, and applicable only with respect to compensation paid for services rendered on or after that date, see section 604 of Pub. L. 93–445, set out as a note under section 3221 of this title.

Amendment by Pub. L. 93–233 applicable only with respect to remuneration paid after, and taxable years beginning after, 1973, see section 5(e) of Pub. L. 93–233, set out as a note under section 409 of Title 42, The Public Health and Welfare.

Amendment by Pub. L. 93–66 applicable only with respect to remuneration paid after, and taxable years beginning after, 1973, see section 203(e) of Pub. L. 93–66, set out as a note under section 409 of Title 42.

Amendment by Pub. L. 92–336, as amended by Pub. L. 92–603, § 144(c), applicable only with respect to remuneration paid after Dec. 1972, see section 203(c) of Pub. L. 92–336, set out as a note under section 409 of Title 42, The Public Health and Welfare.

Amendment by Pub. L. 92–5 applicable only with respect to remuneration paid after Dec. 1971, see section 203(c) of Pub. L. 92–5, set out as a note under section 409 of Title 42, The Public Health and Welfare.

Amendment by section 108(b)(5), (6) of Pub. L. 90–248 applicable only with respect to remuneration paid after December 1967, see section 108(c) of Pub. L. 90–248, set out as a note under section 409 of Title 42, The Public Health and Welfare.

Amendment by section 317(e), (f) of Pub. L. 89–97 applicable with respect to services performed after the quarter ending September 30, 1965, and after the quarter in which the Secretary of the Treasury receives a certification from the Commissioners [now Mayor] of the District of Columbia expressing their desire to have the insurance system established by sections 401 et seq. and 1395c et seq. of Title 42, The Public Health and Welfare, extended to the officers and employees coming under the provisions of such amendments, see section 317(g) of Pub. L. 89–97, set out as a note under section 410 of Title 42.

Amendment by section 320(b)(5), (6) of Pub. L. 89–97 applicable with respect to remuneration paid after December 1965, see section 320(c) of Pub. L. 89–97, set out as a note under section 3121 of this title.

Amendment by Pub. L. 86–778 applicable only with respect to (1) service in the employ of the Government of Guam or any political subdivision thereof, or any instrumentality of any one or more of the foregoing wholly owned thereby, which is performed after 1960 and after the calendar quarter in which the Secretary of the Treasury receives a certification by the Governor of Guam that legislation has been enacted by the Government of Guam expressing its desire to have the insurance system established by title II of the Social Security Act, section 401 et seq. of Title 42, The Public Health and Welfare, extended to the officers and employees of such Government and such political subdivisions and instrumentalities, and (2) service in the employ of the Government of American Samoa or any political subdivision thereof or any instrumentality of any one or more of the foregoing wholly owned thereby, which is performed after 1960 and after the calendar quarter in which the Secretary of the Treasury receives a certification by the Governor of American Samoa that the Government of American Samoa desires to have the insurance system established by title II of the Social Security Act, section 401 et seq. of Title 42, extended to the officers and employees of such Government and such political subdivisions and instrumentalities, see section 103(v)(1) of Pub. L. 86–778, set out as a note under section 402 of Title 42.

Amendment by act Sept. 1, 1954, applicable only with respect to remuneration paid after 1954, see section 202(d) of act Sept. 1, 1954, set out as a note under section 1401 of this title.