Section 67-3-511 - Payment of floorstock tax(a) The floorstock tax report required by § 67-3-304(d)(4) shall be accompanied by payment of the floorstock tax calculated in accordance with § 67-3-304(d) and (e) and payment made on or before the due date of that report. The floorstock tax imposed on inventory held outside of the bulk transfer/terminal system on January 1, 1998, reportable under § 67-3-304 shall be payable in two (2) equal annual installments. The first installment shall be due on or before the twenty-fifth day of the month following the month in which this part becomes effective, and the second installment is due on the same date of the following year.(b) For any floorstock tax due following an increase in the tax rate on petroleum products, the floorstock tax imposed on inventory shall be payable within twenty-five (25) days of the end of the month in which the increase becomes effective.(c) A supplier, bonded importer, importer, or wholesaler shall, for increases in the gasoline tax, remit tax, pursuant to subsection (a) or (b), based upon all inventory as provided in § 67-3-304(d) held in storage at the start of business on the effective date of the increase. All inventory held at retail stations and by end users shall be exempt from this requirement.(d) A supplier, bonded importer, importer or wholesaler shall, for increases in the diesel tax, the special privilege tax or the environmental assurance fee, remit taxes and/or fees, pursuant to subsection (a) or (b), based upon all inventory as provided in § 67-3-304(d) held outside the bulk transport/terminal system at the start of business on the effective date of such increase. All inventory held at retail stations and by end users shall be exempt from this requirement.(e) Regardless of any § 67-3-509 allowance already taken with respect to this inventory, an additional § 67-3-509 allowance may be taken. Acts 1997, ch. 316, § 1; T.C.A., § 67-3-1611.