Section 1322 (c) of this title, referred to in subsec. (a)(6), (7), was redesignated section 1322 (d) of this title by Pub. L. 100–203, title IX, § 9312(b)(3)(A)(i), Dec. 22, 1987, 101 Stat. 1330–362.

This chapter, referred to in subsec. (a)(8), was in the original “this Act”, meaning Pub. L. 93–406, known as the Employee Retirement Income Security Act of 1974. Titles I, III, and IV of such Act are classified principally to this chapter. For complete classification of this Act to the Code, see Short Title note set out under section 1001 of this title and Tables.

The Internal Revenue Code of 1986, referred to in subsec. (a)(8), is classified generally to Title 26, Internal Revenue Code.

In subsec. (a)(14)(C)(ii)(I), “section 40102 (a)(2) of title 49” substituted for “section 101(3) of the Federal Aviation Act of 1958” and “section 41102 of title 49” substituted for “section 401 of such Act” on authority of Pub. L. 103–272, § 6(b), July 5, 1994, 108 Stat. 1378, the first section of which enacted subtitles II, III, and V to X of Title 49, Transportation.

1994—Subsec. (a)(13). Pub. L. 103–465 substituted “means a person described in section 1082 (c)(11)(A) of this title (without regard to section 1082 (c)(11)(B) of this title) or section 412 (c)(11)(A) of title 26 (without regard to section 412(c)(11)(B) of such title).” for “means a person—

“(A) who is responsible, in connection with such plan, for meeting the funding requirements under section 1082 of this title or section 412 of title 26, or

“(B) who is a member of the controlled group of a person described in subparagraph (A), has been responsible for meeting such funding requirements, and has employed a significant number (as may be defined in regulations of the corporation) of participants under such plan while such person was so responsible;”.

1991—Subsec. (a)(14)(C). Pub. L. 102–229, which directed the amendment of section 4001(a)(14) of the Employment Retirement Income Security Act of 1974 by adding subpar. (C), was executed to section 4001(a)(14) of the Employee Retirement Income Security Act of 1974, which is classified to this section, to reflect the probable intent of Congress.

1989—Subsec. (a)(8). Pub. L. 101–239 substituted “Internal Revenue Code of 1986” for “Internal Revenue Code of 1954”.

Subsecs. (a)(13)(A), (14)(B), (b)(1), (2)(A). Pub. L. 101–239 substituted “Internal Revenue Code of 1986” for “Internal Revenue Code of 1954”, which for purposes of codification was translated as “title 26” thus requiring no change in text.

1987—Subsec. (a)(16). Pub. L. 100–203, § 9312(b)(4), amended par. (16) generally. Prior to amendment, par. (16) read as follows: “ ‘benefit commitments’, to a participant or beneficiary as of any date under a single-employer plan, means all benefits provided by the plan with respect to the participant or beneficiary which—

“(A) are guaranteed under section 1322 of this title,

“(B) would be guaranteed under section 1322 of this title, but for the operation of subsection 1322(b) of this title, or

“(C) constitute—

“(i) early retirement supplements or subsidies, or

“(ii) plant closing benefits,

Subsec. (a)(18). Pub. L. 100–203, § 9313(a)(2)(F), amended par. (18) generally. Prior to amendment, par. (18) read as follows: “ ‘amount of unfunded benefit commitments’, of a participant or beneficiary as of any date under a single-employer plan, means an amount equal to the excess of—

“(A) the actuarial present value (determined as of such date on the basis of assumptions prescribed by the corporation for purposes of section 1344 of this title) of the benefit commitments to the participant or beneficiary under the plan, over

“(B) the current value (as of such date) of the assets of the plan which are required to be allocated to those benefit commitments under section 1344 of this title;”.

Subsec. (a)(19). Pub. L. 100–203, § 9312(b)(5), amended par. (19) generally. Prior to amendment, par. (19) read as follows: “ ‘outstanding amount of benefit commitments’, of a participant or beneficiary under a terminated single-employer plan, means the excess of—

“(A) the actuarial present value (determined as of the termination date on the basis of assumptions prescribed by the corporation for purposes of section 1344 of this title) of the benefit commitments to such participant or beneficiary under the plan, over

“(B) the actuarial present value (determined as of such date on the basis of assumptions prescribed by the corporation for purposes of section 1344 of this title) of the benefits of such participant or beneficiary which are guaranteed under section 1322 of this title or to which assets of the plan are required to be allocated under section 1344 of this title;”.

1986—Subsec. (a)(2). Pub. L. 99–272, § 11004(a)(1), amended par. (2) generally, substituting provisions defining “substantial employer” for any plan year of a single-employer plan for provisions defining “substantial employer” for any plan year as an employer, treating employers who are members of the same affiliated group as one employer, who has made contributions to or under a plan under which more than one employer, other than a multi-employer plan, makes contributions for each of the two immediately preceding plan years or the second and third preceding plan years equaling or exceeding 10 percent of all employer contributions paid to or under that plan for such year.

Subsec. (a)(13). Pub. L. 99–272, § 11004(a)(2)–(4), added par. (13).

Subsec. (a)(14). Pub. L. 99–272, § 11004(a)(2)–(4), added par. (14).

Subsec. (a)(15) to (21). Pub. L. 99–272, § 11004(a)(2)–(4), added pars. (15) to (21).

Subsec. (b). Pub. L. 99–272, § 11004(b), designated existing provisions as par. (1), added par. (2), and struck out amendments by Pub. L. 96–364, § 402(a)(1)(F), which had been executed by designating existing provisions as par. (1) and adding pars. (2) to (4). See 1980 Amendment note below. For successor provisions to former pars. (2), (3), and (4), see subsecs. (a)(15), (b)(2)(A), and (b)(2)(B), respectively.

1980—Subsec. (a)(2). Pub. L. 96–364, § 402(a)(1)(A), inserted provision excepting multiemployer plan.

Subsec. (a)(3). Pub. L. 96–364, § 402(a)(1)(B), substantially revised definition of term “multiemployer plan” by, among other changes, adding subpars. (A) to (C) and cl. (i), and restating existing provisions as cl. (ii) with respect to plan years beginning before Sept. 26, 1980.

Subsec. (a)(6). Pub. L. 96–364, § 402(a)(1)(C), inserted references to section 1322a of this title.

Subsec. (a)(7). Pub. L. 96–364, § 402(a)(1)(D), inserted reference to section 1322a (g) of this title.

Subsec. (a)(8) to (12). Pub. L. 96–364, § 402(a)(1)(E), added pars. (8) to (12).

Subsec. (b). Pub. L. 96–364, § 402(a)(1)(F), which was executed by designating existing provisions as par. (1) and adding pars. (2) to (4), notwithstanding directory language that pars. (2) to (4) be added at end of subsec. (c)(1) as redesignated, was struck out by Pub. L. 99–272, § 11004(b). See 1986 Amendment note above.

Amendment by Pub. L. 103–465 effective as if included in the Pension Protection Act, Pub. L. 100–203, §§ 9302–9346, see section 761(b)(2) of Pub. L. 103–465, set out as a note under section 1056 of this title.

Amendment by Pub. L. 101–239 effective, except as otherwise provided, as if included in the provision of the Tax Reform Act of 1986, Pub. L. 99–514, to which such amendment relates, see section 7891(f) of Pub. L. 101–239, set out as a note under section 1002 of this title.

Section 9312(d)(1) of Pub. L. 100–203, as amended by Pub. L. 101–239, title VII, § 7881(f)(9), Dec. 19, 1989, 103 Stat. 2440, provided that: “The amendments made by this section [amending this section and sections 1305, 1322, 1341, 1342, 1349, 1362, 1364, and 1368 of this title and repealing section 1349 of this title] shall apply with respect to—

“(A) plan terminations under section 4041 of ERISA [29 U.S.C. 1341] with respect to which notices of intent to terminate are provided under section 4041(a)(2) of ERISA after December 17, 1987, and

“(B) plan terminations with respect to which proceedings are instituted by the Pension Benefit Guaranty Corporation under section 4042 of ERISA [29 U.S.C. 1342] after December 17, 1987.”

Section 9313(c) of Pub. L. 100–203 provided that: “The amendments made by this section [amending this section and sections 1341 and 1367 of this title] shall apply with respect to plan terminations under section 4041 of ERISA [29 U.S.C. 1341] with respect to which notices of intent to terminate are provided under section 4041(a)(2) of ERISA after December 17, 1987.”

Amendment by Pub. L. 99–272 effective Jan. 1, 1986, with certain exceptions, see section 11019 of Pub. L. 99–272, set out as a note under section 1341 of this title.

Amendment by Pub. L. 96–364 effective Sept. 26, 1980, except as specifically provided, see section 1461 (e) of this title.

This subchapter not applicable in interpreting Internal Revenue Code of 1986, except to the extent specifically provided in such Code, or as determined by the Secretary of the Treasury, see section 9343(a) of Pub. L. 100–203, set out as a note under section 401 of Title 26, Internal Revenue Code.