Promotion; acceptance; oath of office

14 U.S.C. § 3746

in effect

(a) A Reserve officer who has been appointed under this subchapter is considered to have accepted the appointment unless delivery thereof cannot be effected. (b) A Reserve officer who has served continuously since taking the oath of office prescribed in section 3331 of title 5, is not required to take a new oath of office upon appointment in a higher grade.