The board shall meet at times as may be necessary and as it may determine to examine applicants for licensure and to transact its other business, giving reasonable notice of all examinations by mail to known applicants therefor. The secretary shall record the names of all persons licensed by the board, together with the grounds upon which the right of each to licensure was claimed. The fee for examination shall be in the amount specified in section 151.065, which fee may in the discretion of the board be returned to applicants not taking the examination.