Subject to subsection (b) of this section, the fees specified in this subtitle for the registration of a classified vehicle or for any interchangeable registration shall be paid to the Administration: Before issuance of the registration and any registration plates and registration cards; and Except as otherwise expressly provided, during each registration year before the issuance or renewal of the registration. The Administration shall allow for payment of registration fees, as specified in this subtitle, in installments throughout the registration period, as determined by the Administration.