In subsec. (f), “section 5551 of title 5” substituted for “the Act of December 21, 1944 (5 U.S.C. 61b and the following)” on authority of Pub. L. 89–554, § 7(b), Sept. 6, 1966, 80 Stat. 631, the first section of which enacted Title 5, Government Organization and Employees.

Section was formerly classified to section 2354 of Title 5 prior to the general revision and enactment of Title 5 by Pub. L. 89–554, § 1, Sept. 6, 1966, 80 Stat. 378.

1994—Subsec. (a). Pub. L. 103–425, § 1(1), inserted “(or, if such teacher is employed in a supervisory position or higher, not less than ten and not more than thirteen)” after “ten”.

Subsec. (d). Pub. L. 103–425, § 1(2), substituted “Secretary of Defense” for “Secretary of the military department concerned” in concluding provisions.

Subsec. (h). Pub. L. 103–425, § 1(3), added subsec. (h).

1984—Subsec. (a). Pub. L. 98–369 struck out provisions which had directed that not more than seventy-five days of leave could be accumulated to the credit of a teacher at any one time under this subsection.

“Director of the Office of Personnel Management” substituted for “United States Civil Service Commission” in subsec. (g), pursuant to Reorg. Plan No. 2 of 1978, § 102, 43 F.R. 36037, 92 Stat. 3783, set out under section 1101 of Title 5, Government Organization and Employees, which transferred functions vested by statute in Civil Service Commission to Director of Office of Personnel Management (except as otherwise specified), effective Jan. 1, 1979, as provided by section 1–102 of Ex. Ord. No. 12107, Dec. 28, 1978, 44 F.R. 1055, set out under section 1101 of Title 5.