2002—Subsec. (a). Pub. L. 107–228 substituted “but in no case more than three years” for “but in no case less than two years”.

1999—Subsec. (a). Pub. L. 106–113, § 1000(a)(7) [div. A, title III, § 330(a)], in first sentence, substituted “not later than two years after the occurrence giving rise to the grievance or, in the case of a grievance with respect to the grievant’s rater or reviewer, one year after the date on which the grievant ceased to be subject to rating or review by that person, but in no case less than two years after the occurrence giving rise to the grievance.” for “within a period of 3 years after the occurrence or occurrences giving rise to the grievance or such shorter period as may be agreed to by the Department and the exclusive representative.”

Subsec. (c)(1). Pub. L. 106–113, § 1000(a)(7) [div. A, title III, § 330(b)], substituted “ ‘2 years’ ” for “ ‘3 years’ ”.

1991—Subsec. (a). Pub. L. 102–138, § 153(b)(1), inserted “under this subchapter” before “unless”.

Subsec. (c). Pub. L. 102–138, § 153(b)(2), added subsec. (c).

Pub. L. 106–113, div. B, § 1000(a)(7) [div. A, title III, § 330(c)], Nov. 29, 1999, 113 Stat. 1536, 1501A–438, provided that: “The amendments made by this section [amending this section] shall take effect 180 days after the date of enactment of this Act [Nov. 29, 1999] and shall apply to grievances which arise on or after such effective date.”

Amendment by Pub. L. 102–138 not applicable with respect to any grievance, within the meaning of section 4131 of this title, arising before Oct. 28, 1991, see section 153(f) of Pub. L. 102–138, set out as a note under section 4115 of this title.