Reserves; members of National Guard; members of the Space Force: inactive-duty training

for each regular period of instruction, or period of appropriate duty, at which the member is engaged for at least two hours, including that performed on a Sunday or holiday;

( Pub. L. 87–649 , Sept. 7, 1962 , 76 Stat. 460 ; Pub. L. 98–525, title XIV, § 1402(a) , Oct. 19, 1984 , 98 Stat. 2620 ; Pub. L. 99–661, div. A, title VI, § 604(c) , Nov. 14, 1986 , 100 Stat. 3876 ; Pub. L. 100–456, div. A, title VI, § 631(c) , Sept. 29, 1988 , 102 Stat. 1985 ; Pub. L. 102–25, title VII, § 702(b)(1) , (c), Apr. 6, 1991 , 105 Stat. 117 ; Pub. L. 104–106, div. A, title VII, § 702(d) , Feb. 10, 1996 , 110 Stat. 371 ; Pub. L. 105–85, div. A, title V, § 513(g) , Nov. 18, 1997 , 111 Stat. 1732 ; Pub. L. 107–107, div. A, title V, § 513(e) , title VI, § 603(a), Dec. 28, 2001 , 115 Stat. 1093 , 1133; Pub. L. 109–163, div. A, title VI, § 604 , Jan. 6, 2006 , 119 Stat. 3287 ; Pub. L. 109–364, div. A, title VI, § 607 , Oct. 17, 2006 , 120 Stat. 2247 ; Pub. L. 110–181, div. A, title VI, § 633(b) , Jan. 28, 2008 , 122 Stat. 155 ; Pub. L. 116–283, div. A, title VI, § 602(a) , Jan. 1, 2021 , 134 Stat. 3670 ; Pub. L. 118–31, div. A, title VI, § 601(b) , Dec. 22, 2023 , 137 Stat. 288 ; Pub. L. 119–60, div. A, title VI, § 601(b)(4) , div. G, title LXXII, § 7225(c), Dec. 18, 2025 , 139 Stat. 902 , 1705.)