(a) Except as otherwise provided in this code, every vehicle registration and registration card expires at midnight on the expiration date designated by the director pursuant to Section 1651.5, and shall be renewed prior to the expiration of the registration year. The department may, upon payment of the proper fees, renew the registration of vehicles. (b) Notwithstanding any other provision of law, renewal of registration for any vehicle that is either currently registered or for which a certification pursuant to Section 4604 has been filed may be obtained not more than 75 days prior to the expiration of the current registration or certification.