Tennessee Code Title 55. Motor and Other Vehicles § 55-12-203

(1) “Automobile liability insurer,” “insurer,” or “carrier” means an insurance carrier licensed under title 56 to provide vehicle insurance, as defined in § 56-2-201, in this state;

(2) “Commercial automobile coverage” means any coverage provided to an insured, regardless of the number of vehicles or entities covered, under a commercial coverage form and rated from a commercial manual approved by the department of commerce and insurance;

(3) “Designated agent” means a third-party vendor that the department of revenue may contract with to develop, implement, and administer the program;

(4) “Full book of business” means a business record download of an automobile liability insurer made in accordance with IICMVA Insurance Data Transfer Guide Specifications that contains the data elements described in § 55-12-207(c)(1);

(5) “IICMVA” means the Insurance Industry Committee on Motor Vehicle Administration;

(6) “IICMVA Model” means the online insurance verification system model created by the IICMVA;

(7) “NAIC” means the National Association of Insurance Commissioners;

(8) “Unknown carrier request” means an electronic request for insurance coverage verification on a specific vehicle sent in accordance with IICMVA standards by the department of revenue or its designated agent to a carrier or carriers when the identity of the vehicle's carrier or the insurance policy number for the vehicle is unknown; and

(9) “Vehicle insurance verification program” or “program” means an insurance verification program that is created in compliance with the online verification system and data transfer standards, specifications, model, and guide of the IICMVA, and developed, implemented, and administered by the department of revenue in compliance with this part.