Pub. L. 99–591 is a corrected version of Pub. L. 99–500.

Amendment of section by Pub. L. 99–500 and Pub. L. 99–591 is based on section 642 of S. 2638, Ninety-ninth Congress, as passed by the Senate on Aug. 9, 1986, which was enacted into permanent law by Pub. L. 99–500 and Pub. L. 99–591. S. 2638 was subsequently enacted as Pub. L. 99–661.

2006—Subsec. (b)(1)(A)(ii). Pub. L. 109–364, § 591(a)(1)(A), substituted “for active duty (other than the Coast Guard) and for full-time National Guard duty (other than full-time National Guard duty for training only), but excluding the amount expected to be paid for any duty that would be excluded for active-duty end strength purposes by section 115 (i) of this title” for “to members of the armed forces (other than the Coast Guard) on active duty (other than active duty for training) or full-time National Guard duty (other than full-time National Guard duty for training only)”.

Subsec. (b)(1)(B)(ii). Pub. L. 109–364, § 591(a)(1)(B), substituted “Selected Reserve” for “Ready Reserve” and “Coast Guard) for service” for “Coast Guard and other than members on full-time National Guard duty other than for training) who are”.

Subsec. (c)(1)(A). Pub. L. 109–364, § 591(a)(2)(A), substituted “for active duty (other than the Coast Guard) and for full-time National Guard duty (other than full-time National Guard duty for training only), but excluding the amount expected to be paid for any duty that would be excluded for active-duty end strength purposes by section 115 (i) of this title” for “for members of the armed forces (other than the Coast Guard) on active duty (other than active duty for training) or full-time National Guard duty (other than full-time National Guard duty for training only)”.

Subsec. (c)(1)(B). Pub. L. 109–364, § 591(a)(2)(B), substituted “Selected Reserve” for “Ready Reserve” and “Coast Guard) for service” for “Coast Guard and other than members on full-time National Guard duty other than for training) who are”.

2004—Subsec. (c)(1)(A), (B), (4)(A), (B). Pub. L. 108–375 substituted “1413a” for “1413, 1413a,”.

2003—Subsec. (b)(3). Pub. L. 108–136, § 641(c)(3), added par. (3).

Subsec. (c)(1). Pub. L. 108–136, § 641(c)(4)(A)(iii), substituted “subsection (b)(1)” for “subsection (b)” in concluding provisions.

Subsec. (c)(1)(A). Pub. L. 108–136, § 641(c)(4)(A)(i), inserted before semicolon “, to be determined without regard to section 1413, 1413a, or 1414 of this title”.

Subsec. (c)(1)(B). Pub. L. 108–136, § 641(c)(4)(A)(ii), inserted before period at end “, to be determined without regard to section 1413, 1413a, or 1414 of this title”.

Subsec. (c)(4), (5). Pub. L. 108–136, § 641(c)(4)(B), (C), added par. (4) and redesignated former par. (4) as (5).

1985—Subsec. (b)(1). Pub. L. 99–500 and Pub. L. 99–591, Pub. L. 99–661, § 661(a), amended par. (1) identically, inserting second sentence and striking out the existing second sentence which read as follows: “That amount shall be determined as the product of—

“(A) the current estimate of the value of the single level percentage of basic pay to be determined at the time of the next actuarial valuation under subsection (c); and

“(B) the total amount of basic pay expected to be paid during that fiscal year to members of the armed forces (other than the Coast Guard) on active duty or in the Selected Reserve.”

Subsec. (c)(1). Pub. L. 99–500 and Pub. L. 99–591, Pub. L. 99–661, § 661(a)(2), amended par. (1) identically, inserting second and third sentences and striking out existing second sentence which read as follows: “Each actuarial valuation of such programs shall include a determination (using the aggregate entry-age normal cost method) of a single level percentage of basic pay to be used for the purposes of subsection (b) and section 1466 (a) of this title.”

1984—Subsec. (c)(1). Pub. L. 98–525 struck out “(A)” after “(c)(1)”.

Pub. L. 109–364, div. A, title V, § 591(c), Oct. 17, 2006, 120 Stat. 2233, provided that: “The amendments made by this section [amending this section and section 1466 of this title] shall take effect on October 1, 2007.”

Amendment by Pub. L. 108–136 effective Oct. 1, 2003, with Secretary of Defense to provide for certain administrative adjustments, see section 641(c)(6) of Pub. L. 108–136, set out as a note under section 1413a of this title.

Section 642(c) of S. 2638, as passed by the Senate on Aug. 9, 1986, and as enacted into law by section 101 (c) [title IX, § 9131] of Pub. L. 99–500 and Pub. L. 99–591, and section 661(d) of Pub. L. 99–661, provided respectively that: “The amendments made by this section [amending this section and section 1466 of this title] shall take effect on October 1, 1986, or the date of the enactment of this Act [Oct. 18, 1986], whichever is later, and shall apply to payments required to be made under section 1466 (a) of title 10, United States Code, as amended by this section, for months beginning on or after that effective date.” and “The amendments made by subsections (a) and (b) [amending this section and section 1466 of this title] shall apply to payments required to be made under section 1466 (a) of title 10, United States Code, as amended by subsection (b), for months beginning on or after the date of the enactment of this Act [Nov. 14, 1986].”