1986—Subsec. (b)(1)(D). Pub. L. 99–514, § 1843(b), struck out “(and the divorce or separation instrument states that there is no such liability)” after “for such payments after the death of the payee spouse”.

Subsec. (c)(2)(B). Pub. L. 99–514, § 1843(d), substituted “specified in subparagraph (A)” for “specified in paragraph (1)”.

Subsec. (f). Pub. L. 99–514, § 1843(c)(1), amended subsec. (f) generally, substituting provisions for the recomputation of liability where there has been excess front-loading of alimony payments for provisions setting forth special rules to prevent excess front-loading of alimony payments.

Subsec. (g). Pub. L. 99–514, § 1843(a), added subsec. (g).

1984—Pub. L. 98–369 amended section generally, substituting present provisions for provisions which had declared in: subsec. (a), a general rule as to decree of divorce or separate maintenance in par. (1), written separation agreement in par. (2), and decree for support in par. (3); subsec. (b), payments to support minor children; subsec. (c), principal sum paid in installments, par. (1) stating a general rule and par. (2) the rule where period for payment is more than 10 years; subsec. (d), the rule for husband in case of transferred property; and subsec. (e), cross references to sections 7701 (a)(17), 215, and 682.

Section 1843(c)(2), (3) of Pub. L. 99–514 provided that:

“(2) Effective dates.—

“(A) In general.—The amendment made by paragraph (1) [amending this section] shall apply with respect to divorce or separation instruments (as defined in section 71(b)(2)) of the Internal Revenue Code of 1986 executed after December 31, 1986.

“(B) Modifications of instruments executed before january 1, 1987.—The amendments made by paragraph (1) [amending this section] shall also apply to any divorce or separation instrument (as so defined) executed before January 1, 1987, but modified on or after such date if the modification expressly provides that the amendments made by paragraph (1) shall apply to such modification.

“(3) Transitional rule.—In the case of any instrument to which the amendment made by paragraph (1) [amending this section] does not apply, paragraph (2) of section 71(f) of the Internal Revenue Code of 1954 [now 1986] (as in effect on the day before the date of the enactment of this Act [Oct. 22, 1986]) shall apply only with respect to the first 3 post-separation years.”

Section 422(e) of Pub. L. 98–369, as amended by Pub. L. 99–514, § 2, Oct. 22, 1986, 100 Stat. 2095, provided that:

“(1) In general.—Except as otherwise provided in this subsection, the amendments made by this section [amending this section and sections 215, 219, 682, 6676, and 7701 of this title] shall apply with respect to divorce or separation instruments (as defined in section 71(b)(2) of the Internal Revenue Code of 1986 [formerly I.R.C. 1954], as amended by this section) executed after December 31, 1984.

“(2) Modifications of instruments executed before january 1, 1985.—The amendments made by this section shall also apply to any divorce or separation instrument (as so defined) executed before January 1, 1985, but modified on or after such date if the modification expressly provides that the amendments made by this section shall apply to such modification.

“(3) Requirement of identification number.—Section 215(c) of the Internal Revenue Code of 1986 (as amended by subsection (b)) and the amendments made by subsection (c) [amending section 6676 of this title] shall apply to payments made after December 31, 1984.”

For provisions directing that if any amendments made by subtitle A or subtitle C of title XI [§§ 1101–1147 and 1171–1177] or title XVIII [§§ 1800–1899A] of Pub. L. 99–514 require an amendment to any plan, such plan amendment shall not be required to be made before the first plan year beginning on or after Jan. 1, 1989, see section 1140 of Pub. L. 99–514, as amended, set out as a note under section 401 of this title.