(a) Certificates of number shall be renewed before midnight of the expiration date by presentation of the certificate of number last issued for the vessel or by presentation of a potential registration card issued by the department.
(b) The fee for renewal shall be twenty dollars ($20) for each two-year period, and shall accompany the request for renewal.
(c) If the certificate of number and potential registration card are unavailable, the fee specified in Section 9867 shall not be paid.