10 U.S.C. § 10213Section
§ 10213. Reserve components: dual membership prohibited
Except as otherwise provided in this title, no person may be a member of more than one reserve component at the same time.
(Added Pub. L. 103–337, div. A, title XVI, §1661(a)(1), Oct. 5, 1994, 108 Stat. 2979.)