Section 250-159-A - DEFINITIONS1. The term "registrant" means any person, firm, corporation, partnership, company, trustee, lessee or receivers owning or controlling a semitrailer being registered pursuant to 29-A MRSA §512.2. The term "semitrailer" means any vehicle without motive power designed for being drawn by a motor vehicle, where some part of the weight of the vehicle and its load rests upon or is carried by the vehicle.3. The term "Secretary" shall mean the Maine Secretary of State or any Deputy Secretary of State.4. The term "certificate" means a registration document issued by the Secretary of State identifying the vehicle and the registrant.5. The term "plate" means a unique external identification device assigned to a specific vehicle.6. The term "Agent" means any Maine resident acting on behalf of any person, firm, corporation, partnership, company, trustee, lessee or receivers owning or controlling a semitrailer being registered pursuant to 29-A MRSA §512.7. The term "Non-Governmental Agent" means any person appointed by the Secretary of State to issue original registrations, to renew registrations, and to transfer registrations from one vehicle to another.8. The term "permanent registration" means a long-term trailer registration certificate and plate with an expiration date of December 31st, 25 years from the year of issue. The fee for each registration shall be eighty dollars ($80.00) payable at time of issue.29- 250 C.M.R. ch. 159, § A