Pub. L. 83-773, tit. III, subtit. F, sec. 338
promotion upon release from active duty
promotion upon release from active duty Sec. 338. Upon release from active duty, a Reserve officer shall be appointed in a grade equal to the highest temporary grade in which he served satisfactorily as determined by the Secretary. An officer may not thereafter be promoted as a nonunit officer for the first time until he is qualified under section 315 (a).