31Where, at any time following the determination by the Board of a group of employees to constitute a unit appropriate for collective bargaining, any question arises as to whether any employee or class of employees is or is not included therein or is included in any other unit, the Board shall, on application by the employer or any employee organization affected, but subject to section 31.1, determine the question.
31Where, at any time following the determination by the Board of a group of employees to constitute a unit appropriate for collective bargaining, any question arises as to whether any employee or class of employees is or is not included therein or is included in any other unit, the Board shall, on application by the employer or any employee organization affected, but subject to section 31.1, determine the question.