Except as provided in § 29.1-810, no license shall be suspended or revoked, or renewal refused, until a written copy of the complaint made has been furnished to the licensee against whom the same is directed and a public hearing thereon has been had before the Director. At least ten days’ written notice of the time and place of such hearing shall be given to the licensee by registered mail addressed to his last known post office address or as shown on his license or other record of information in possession of the Director. At any such hearing the licensee shall have the right to be heard personally or by counsel. After the hearing, the Director shall have power to suspend, revoke or refuse to renew, the license in question. Immediate notice of any such action shall be given to the licensee in the manner herein provided in the case of notices of hearing.