Section 9559.5 Of Article 4. Payment Of Fees From California Vehicle Code >> Division 3. >> Chapter 6. >> Article 4.

. When, by reason of the assignment or reassignment of a renewal registration date by the director, the registration year is less than, or more than, 12 months, the fee due for that renewal shall be decreased or increased by one-twelfth of the annual fee for each month of the period less than, or in excess of, 12 months.