109. The employer may return to reinstatement an officer who has been reinstated, in accordance with section 108, to a position of officer or senior administrator in a class higher than the class of the position which he held before his reinstatement if, during the period of 6 months following the reinstatement, the employer realizes that it is not expedient to retain the services of the officer in that position. There shall be no appeal against this judgment of expediency under this Regulation. The period where the officer was replaced shall be excluded from the reinstatement period.