2008—Pub. L. 110–181, § 503(a)(2), substituted “six years” for “five years” in section catchline.

Par. (1)(A). Pub. L. 110–181, § 503(a)(1), substituted “six years” for “five years”.

2003—Par. (2). Pub. L. 108–136 substituted “paragraph” for “clause”.

2001—Pub. L. 107–107, § 505(d)(4)(A), struck out “regular” before “commissioned officers” in section catchline.

Par. (1). Pub. L. 107–107, § 505(d)(2), struck out “regular” before “officer” in introductory provisions and before “grade of first lieutenant” in subpar. (B).

1984—Par. (2). Pub. L. 98–525 substituted “18-month” for “eighteen-month”.

Section effective Sept. 15, 1981, but the authority to prescribe regulations under this section effective on Dec. 12, 1980, see section 701 of Pub. L. 96–513, set out as an Effective Date of 1980 Amendment note under section 101 of this title.