; correction of errors (a) Persons not considered by promotion board because of administrative error (1) Convening of board In the case of an officer or former officer who the Secretary of the Air Force determines was not considered for selection for promotion by a selection board convened under section 20211 of this title because of administrative error, the Secretary shall convene a special selection board under this subsection to determine whether that officer or former officer should be recommended for promotion. (2) Board composition; oath Any such board shall be convened under regulations prescribed by the Secretary of Defense and shall be appointed and composed in accordance with section 20212 of this title and shall include the representation of competitive categories required by that section. The members of a board convened under this subsection shall be required to take an oath in the same manner as prescribed in section 14103 of this title. (3) Record considered by board A special selection board convened under paragraph (1) shall consider the record of the officer or former officer as that record would have appeared to the selection board that should have considered the officer or former officer. That record shall be compared with a sampling of the records of those officers of the same grade and competitive category who were recommended for promotion, and those officers of the same grade and competitive category who were not recommended for promotion, by that board. (4) Effect If a special selection board convened under paragraph (1) does not recommend for promotion an officer or former officer in a grade below the grade of colonel whose name was referred to it for consideration, the officer or former officer shall be considered to have failed of selection for promotion. (b) Officers considered but not selected