Section, added Pub. L. 102–190, div. A, title IX, § 901(a)(1), Dec. 5, 1991, 105 Stat. 1450; amended Pub. L. 104–106, div. A, title IX, § 903(c)(2), Feb. 10, 1996, 110 Stat. 402; Pub. L. 104–201, div. A, title IX, § 901, Sept. 23, 1996, 110 Stat. 2617; Pub. L. 111–84, div. A, title IX, § 906(c)(1)(B), (2)(B), Oct. 28, 2009, 123 Stat. 2427, established the position of Principal Deputy Under Secretary of Defense for Policy.

A prior section 134a was renumbered section 133 of this title.

Repeal effective Jan. 1, 2011, see section 901(p) of Pub. L. 111–383, set out as an Effective Date of 2011 Amendment note under section 131 of this title.