Tennessee Code Title 55. Motor and Other Vehicles § 55-4-505

(a) For the purposes of establishing a new fleet registrant, in order to establish a uniform month of expiration, the valuation for the vehicle license tax shall be maintained at the current valuation if it is necessary to calculate a partial year vehicle license tax.

(b) For the purposes of establishing a new fleet registrant, in order to establish a uniform month of expiration, the classification fees and any other motor carrier fees established by law may be discounted on a monthly basis for the purposes of calculating a partial registration year.