(a) Issuance of a license may be denied if sufficient evidence is received by the board of the commission or doing by the applicant of any act which, if committed or done by a licensee, would be grounds for the suspension or revocation of his license.
(b) In any decision denying an application, the board may provide that it will accept no future application from the applicant until he complies with specified conditions. No condition may be required by the board that is not just and reasonable.