Section 224 of the Social Security Act, referred to in subsec. (a)(1)(C), is classified to section 424a of Title 42, The Public Health and Welfare.

Section 3(a)(1) of the Railroad Retirement Act of 1974, referred to in subsec. (a)(1)(C), is classified to section 231b (a)(1) of Title 45, Railroads.

1994—Subsec. (c)(1)(A). Pub. L. 103–296 substituted “Commissioner of Social Security” for “Secretary of Health and Human Services”.

1989—Subsecs. (a), (b)(1), (2), (c)(1)(A). Pub. L. 101–234, § 102(a), repealed Pub. L. 100–360, § 111, and provided that the provisions of law amended by such section are restored or revived as if such section had not been enacted, see 1988 Amendment note below.

1988—Subsec. (a). Pub. L. 100–360, § 111(b)(1), added par. (2) and redesignated former par. (2) as (3).

Subsec. (b)(1). Pub. L. 100–360, § 111(b)(2)(A), inserted “or making the determination under subsection (a)(2)” after “payments”.

Subsec. (b)(2). Pub. L. 100–360, § 111(b)(2)(B), inserted “and the information required under subsection (a)(2),” after “reductions,”.

Subsec. (c)(1)(A). Pub. L. 100–360, § 111(b)(3), inserted “and the information required under subsection (a)(2)” after “section 86 (d)(1)(A)”.

1986—Subsec. (b). Pub. L. 99–514, in amending subsec. (b) generally, substituted “information is required” for “information is furnished” in heading and, in text, substituted references to persons required to make a return for former references to persons making a return and references to persons whose name is required to be set forth for former references to persons whose name is set forth.

Amendment by Pub. L. 103–296 effective Mar. 31, 1995, see section 110(a) of Pub. L. 103–296, set out as a note under section 401 of Title 42, The Public Health and Welfare.

Amendment by Pub. L. 101–234 applicable to taxable years beginning after Dec. 31, 1988, see section 102(d)(2) of Pub. L. 101–234, set out as an Effective Date of Repeal note under section 59B of this title.

Amendment by Pub. L. 100–360 applicable to taxable years beginning after Dec. 31, 1988, see section 111(e) of Pub. L. 100–360, set out as an Effective Date note under section 59B of this title.

Amendment by Pub. L. 99–514 applicable to returns the due date for which (determined without regard to extensions) is after Dec. 31, 1986, see section 1501(e) of Pub. L. 99–514, set out as an Effective Date note under section 6721 of this title.

Section applicable to benefits received after Dec. 31, 1983, in taxable years ending after such date, except for any portion of a lump-sum payment of social security benefits received after Dec. 31, 1983, if the generally applicable payment date for such portion was before Jan. 1, 1984, see section 121(g) of Pub. L. 98–21, set out as a note under section 86 of this title.

Section 102(a) of Pub. L. 101–234 provided that: “Sections 111 and 112 of MCCA [Pub. L. 100–360, which enacted section 59B of this title and section 1395i–1a of Title 42, The Public Health and Welfare, amended this section, and enacted provisions set out as notes under section 59B of this title and section 1395i–1a of Title 42] are repealed and the provisions of law amended by such sections are restored or revived as if such sections had not been enacted.”