10 U.S.C. § 12307: Retired Reserve

A member in the Retired Reserve may, if qualified, be ordered to active duty without his consent, but only as provided in section 688 or 12301(a) of this title. A member of the Retired Reserve (other than a member transferred to the Retired Reserve under section 12641(b) of this title) who is ordered to active duty or other appropriate duty in a retired status may be credited under chapter 1223 of this title with service performed pursuant to such order. A member in a retired status is not eligible for promotion (or for consideration for promotion) as a Reserve.