10 U.S.C. § 14003 — Reserve active-status lists: position of officers on the list

Officers shall be carried on the reserve active-status list^* of the armed force of which they are members in the order of seniority of the grade^* in which they are serving in an active status^*. Officers serving in the same grade shall be carried in the order of their rank^* in that grade.

An officer^* whose position on the reserve active-status list results from service under a temporary appointment or in a grade held by reason of assignment to a position has, when that appointment or assignment ends, the grade and position on that list that the officer would have held if the officer had not received that appointment or assignment.