(a) If the vehicle is registered after the expiration of the first quarter of the registration period, three-fourths of the fees shall be used to determine the Oregon fees.
(b) If the vehicle is registered after the expiration of the first half of the registration period, one-half of the fees shall be used to determine the Oregon fees.
(c) If the vehicle is registered after the expiration of three-fourths of the registration period, one-fourth of the fees shall be used to determine the Oregon fees.
(2) The department, by rule, may adjust registration fees or registration periods for a vehicle, as is administratively convenient for the department, if:
(a) The vehicle is changed from one type of registration to another type; or
(b) Any other change relating to the registration of the vehicle is made where it would be administratively convenient for the department to make such adjustments. [Formerly 768.017]