Tenn. Code Ann. § 55-4-504

On approval of the application for fleet registration, the department shall issue a permanent registration card and a permanent validating sticker for each of the qualified vehicles in the fleet. The permanent registration card shall be carried in the vehicle at all times and shall be made available to any law enforcement officer on demand. It shall include all necessary motor vehicle insurance information to properly identify fleet coverage, either self-insurance or commercial carrier. The permanent validating sticker shall be displayed in the manner prescribed by the department.