Pub. L. 84-1028, tit. 10, subtit. C, pt. II, ch. 539, sec. 5582
Regular Navy: transfers, line and staff corps
§ 5582. Regular Navy: transfers, line and staff corps (a) Any male officer on the active list of the Navy in a staff corps in a grade not above lieutenant commander may be appointed to the active list in the line of the Navy in the same grade. An officer so appointed holds the lineal position he would have held if he had originally been appointed in and had remained in the line, and he is an additional number in the grade in which he is serving and in each grade to which he is later promoted. (b) Any male officer on the active list in the line of the Navy in a grade not above lieutenant commander may be appointed to the active list of the Navy in the Supply Corps or the Civil Engineer Corps, in the same grade, without regard to his age.