33 U.S.C. § 3030 — Temporary appointment or advancement of commissioned officers in time of war or national emergency

(a) In general Officers of the Administration^* is subject in like manner and to the same extent as personnel of the Navy to all laws authorizing temporary appointment or advancement of commissioned officers in time of war or national emergency.

(b) Limitations Subsection

(a) is applied subject to the following limitations:
(1) A commissioned officer^* in the service of a military department under section 3061 of this title can, upon the recommendation of the Secretary^* of the military department concerned, be temporarily promoted to a higher rank or grade^*.
(2) A commissioned officer in the service of the Administration can be temporarily promoted to fill vacancies in ranks and grades caused by the transfer of commissioned officers to the service and jurisdiction of a military department under section 3061 of this title .
(3) Temporary appointments can be made in all grades to which original appointments in the Administration are authorized, except that the number of officers holding temporary appointments cannot exceed the number of officers transferred to a military department under section 3061 of this title .