37 U.S.C. § 464 : US Code - Section 464: Regulations

      This subchapter and subchapter I shall be administered under
    terms, rates, conditions, and regulations prescribed by the
    Secretary of Defense in consultation with the other administering
    Secretaries for members of the uniformed services. Such regulations
    shall be uniform for the Department of Defense and shall apply as
    uniformly as practicable to the uniformed services under the
    jurisdiction of the other administering Secretaries.