When any person shall make application to a tax collector for an annual privilege license upon any vehicle which was subject to, and liable for, state and county ad valorem taxes within this state for the preceding taxable year as defined by Section 27-51-9, such person shall present with his application the original or a duplicate of the tax receipt evidencing the payment of such tax, or other sufficient proof of the payment of such state and county ad valorem taxes on such vehicle for the preceding taxable year, and if such vehicle was subject to municipal ad valorem taxes for the preceding taxable year within this state such person shall also present with his application the original or a duplicate of the tax receipt evidencing the payment of such tax or other sufficient proof of the payment of such municipal ad valorem taxes on such vehicle for the preceding taxable year, and no privilege license shall be issued for any vehicle which is liable for state and county ad valorem taxes or for municipal ad valorem taxes in this state for the preceding year upon which such taxes have not been paid. Provided, however, that the provisions of this section shall not apply to any person, firm or corporation whose property is subject to assessment by the State Tax Commission. The provisions of this section shall not apply to applications made by dealers for dealer’s tags or licenses for demonstration purposes.