10 U.S.C. § 8132Section
§ 8132. Regular Navy: transfers, line and staff corps
(a) A regular officer of the Navy in a staff corps in a grade not above lieutenant commander may be appointed in the line of the Navy to the same grade.
(b) A regular officer in the line of the Navy in a grade not above lieutenant commander may be appointed to the same grade in a staff corps under regulations prescribed by the Secretary of Defense.
(Aug. 10, 1956, ch. 1041, 70A Stat. 324, §5582; Pub. L. 96–513, title III, §373(d), Dec. 12, 1980, 94 Stat. 2903; renumbered §8132, Pub. L. 115–232, div. A, title VIII, §807(b)(4), Aug. 13, 2018, 132 Stat. 1834.)