10 U.S.C. § 574 - U.S. Code - Unannotated Title 10. Armed Forces § 574. Warrant officer active-duty lists; competitive categories; number to be recommended for promotion; promotion zones

(a) The Secretary concerned shall maintain for each armed force under the jurisdiction of that Secretary a single list of all warrant officers (other than warrant officers described in section 582 of this title) who are on active duty.

(b) The Secretary concerned may establish competitive categories for promotion. Warrant officers in the same competitive category shall compete among themselves for promotion.

(c) Before convening a selection board under section 573 of this title, the Secretary concerned shall determine for each grade (or grade and competitive category) to be considered by the board the following:

(d) The position of a warrant officer on the warrant officer active-duty list shall be determined as follows:

(e) A chief warrant officer may not be considered for promotion to the next higher grade under this chapter until the officer has completed two years of service on active duty in the grade in which the officer is serving.