(1) Registration fees for commercial vehicles registered under the proportional registration provisions of ORS 826.009 may be paid quarterly provided that:
(a) The amount of Oregon apportioned registration fees for the carrier exceeds $1,000 per year; and
(b) The registration fees are paid in equal quarterly installments.
(2) A carrier that pays in quarterly installments under this section shall pay a $4 administrative processing fee with the first quarter payment for each year that the carrier pays in quarterly installments.
(3) Authorization for quarterly payment does not affect the registration period specified in ORS 826.009.