10 USC 1563 – Consideration of proposals from Members of Congress for honorary promotions: procedures for review and promotion
(a)
(b)
(c)
(2) The Secretary of Defense may not make an honorary promotion under this subsection until 60 days after the date on which the Secretary concerned submits the determination in connection with the proposal for the promotion under subsection (b), and the detailed rationale supporting the determination as described in that subsection, to the Committees on Armed Services of the Senate and the House of Representatives and the requesting Member in accordance with that subsection.
(3) The authority to make an honorary promotion under this subsection shall apply notwithstanding that the promotion is not otherwise authorized by law.
(4) Any promotion pursuant to this subsection is honorary, and shall not affect the pay, retired pay, or other benefits from the United States to which the former member or retired member concerned is or would have been entitled based upon the military service of such former member or retired member, nor affect any benefits to which any other person may become entitled based on the military service of such former member or retired member.
(d)
(1) a Senator; or
(2) a Representative in, or a Delegate or Resident Commissioner to, Congress.