37Where an application for the cancellation of a licence under this Act is referred to the licensing authority under the last preceding paragraph, and that application has not been withdrawn, the clerk to the authority shall give to the applicant, to the holder of the licence, to the appropriate officer of police, to the Board and to the appropriate collector of duty not less than twenty-one days’ notice in writing of the date, time and place appointed for the consideration of the application by the authority, and shall send to the holder of the licence together with that notice a copy of the applicant’s statement of the grounds on which the application is made.