A prior section 4321 was renumbered section 7621 of this title.

Section effective with respect to reemployments initiated on or after the first day after the 60-day period beginning Oct. 13, 1994, with transition rules, except that provisions necessary for implementation of section 4311 of this title are effective Oct. 13, 1994, see section 8 of Pub. L. 103–353, set out as a note under section 4301 of this title.