(a) Certificates and certificates of registration shall be issued to applicants who successfully complete the respective requirements therefor upon the payment of fees prescribed by the board.

(b) Certificates of registration shall be renewable biennially. Renewal may be effected for the succeeding two years by the payment of the fee prescribed by the board. Certificates of registration may be renewed subsequent to their expiration upon the payment of accumulated unpaid fees and of a penalty in an amount to be determined by the board. A certificate of registration which has been expired for a period of greater than four years shall be automatically revoked.

(c) The division director shall give notice by mail to each person holding a certificate of registration under this chapter of the date of the expiration of the certificate of registration and the amount of the fee required for renewal, at least one month prior to the expiration date; but the failure to receive such notice shall not avoid the expiration of any certificate of registration not renewed in accordance with this Code section.