Section 28-2231 - DefinitionsIn this article, unless the context otherwise requires:
1. "Commercial vehicle" means:(a) For vehicles base licensed in this state, a bus, truck or truck tractor, trailer or semitrailer.(b) For vehicles based in another state, a bus, truck or truck tractor that has a gross weight of six thousand pounds or more and that is operated in more than one jurisdiction.2. "Fleet" means one or more commercial vehicles.3. "Jurisdiction" means a state, district, province, political subdivision, territory or possession of the United States or a foreign country.4. "Preceding year" means a period of twelve consecutive months fixed by the director. The director shall fix the period within the eighteen months immediately preceding the beginning of the registration or license year for which proportional registration is sought. In fixing the period, the director shall make it conform to the terms, conditions and requirements of an applicable agreement or arrangement for the proportional registration of vehicles.