Section 66-3-20.1 - Providing for extended registration periods for certain motor vehicles; credit for unexpired portion of feeA. All vehicles, motorcycles or trucks with a declared gross weight of twenty-six thousand pounds or less may be registered for a period of two years; provided the two-year registration period shall begin on the first day of any month and expire on the last day of any month. B. The fee for a two-year registration shall be twice the fee for a one-year registration. C. If the owner of a vehicle that is registered for two years sells, transfers or assigns title to or interest in the vehicle within the first year of registration and applies to have the registration number assigned to another vehicle pursuant to Section 66-3-101 NMSA 1978, upon assignment, the person may apply for a refund of one-half of the two-year registration fee. Laws 1988, ch. 94, § 1; 1995, ch. 44, § 3; 2001, ch. 141, § 1; 2004, ch. 59, § 7; 2007, ch. 319, § 21.