Pub. L. 83-773, tit. V, sec. 508

Sec. 508. (a) Selection boards to consider officers for promotion shall be convened from time to time in such number, and under such regulations, as the Secretary may prescribe, (b) Except when it is considering officers under section 513 of this title and except for officers covered by section 522 of this title who may not be considered at that time, whenever a Reserve officer is being considered by a selection board for promotion, the board shall consider all Reserve officers in that officer’s grade who are senior to him and whose names are not carried on a recommended list. (c) The name of each Reserve officer who is recommended for promotion by a selection board shall be placed on a recommended list for promotion, and carried thereon until the officer is promoted to the grade for which recommended or until his name is removed therefrom under another provision of this Act. The names of Reserve officers recommended by such a selection board shall be placed on the appropriate recommended list below the names of Reserve officers recommended by any prior selection board but in the same order as existed among themselves at the time of their consideration by the selection board. Except as provided in sections 513, 519, and 521 (1) of this title, no Reserve officer whose name is on a recommended list may be promoted ahead of any other officer whose name precedes his on the same recommended list.