Provisions similar to those in this section were contained in section 1163(d) of this title, prior to repeal by Pub. L. 103–337, § 1662(i)(2).

2004—Subsec. (a). Pub. L. 108–375 inserted “(other than the retirement system under chapter 1223 of this title)” after “retirement system”.

1996—Pub. L. 104–201 designated existing provisions as subsec. (a), inserted heading, and added subsec. (b).

Section effective Dec. 1, 1994, except as otherwise provided, see section 1691 of Pub. L. 103–337, set out as a note under section 10001 of this title.