2022—Subsec. (d). Pub. L. 117–225 designated existing provisions as par. (1), redesignated former pars. (1) and (2) as subpars. (A) and (B), respectively, of par. (1), and added par. (2).
2007—Subsec. (d)(1), (2). Pub. L. 110–161 substituted “nuclear materials courier, or customs and border protection officer,” for “or nuclear materials courier,”.
2000—Subsec. (d). Pub. L. 106–553 inserted “or Supreme Court Police” after “Capitol Police” in pars. (1) and (2).
1998—Subsec. (d)(1), (2). Pub. L. 105–261 substituted “firefighter, or nuclear materials courier” for “or firefighter”.
1990—Subsec. (d)(1), (2). Pub. L. 101–428 substituted “officer, member of the Capitol Police,” for “officer”.
1986—Subsec. (g). Pub. L. 99–556 designated existing provisions as par. (1) and added par. (2).
Amendment by Pub. L. 117–225 effective 
Amendment by Pub. L. 110–161 effective on the later of 
Amendment by Pub. L. 106–553 effective on the first day of the first applicable pay period that begins on 
Amendment by Pub. L. 105–261 effective at the beginning of the first pay period that begins after 
For provisions relating to promulgation of regulations to carry out the amendments made by Pub. L. 117–225, see section 3(e) of Pub. L. 117–225, set out as a note under section 8336 of this title.