Section 67-3-1107 - Liquified gas - Duration of permits(a) A dealer permit is permanent and valid as long as the permittee furnishes timely reports and remits the taxes when due, or until surrendered by the holder or cancelled by the commissioner.(b) A user permit shall be issued annually and is valid from the date of issuance through June 30 of each year, unless a motor vehicle for which the tax is prepaid is sold or no longer used on the public highways. Application must be made each year for a current user permit. Acts 1997, ch. 316, § 1; T.C.A., § 67-3-2207.