With respect to vehicles subject to additional registration fees under Section 9400 or 9400.1, a proportionate share of the additional fees may be paid for any partial period of one month or more, but less than 12 months, in an amount determined to be one-twelfth of the annual registration times the consecutive months, or fraction thereof, of the period of registration.

(Amended by Stats. 2001, Ch. 826, Sec. 30. Effective January 1, 2002.)