(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.
(Added
Provisions similar to those in this section were contained in section 797 of this title prior to the complete revision of former chapter 21 of this title by
2018-