(a) The entire proceeds from the privilege or license tax levied by Section 40-13-2 shall be deposited in the State Treasury to the credit of the Alabama State Docks Bulk Handling Facility Trust Fund. The proceeds from the special handling charge provided for by Act No. 2306 of the 1971 Regular Session of the Legislature shall be deposited in the State Treasury to the credit of a fund to be created and known as the Special Handling Charge Fund.
(b) The amounts deposited into such funds shall be disbursed and are hereby appropriated to the extent necessary for such purpose, to pay at their respective maturities, or to redeem under the terms thereof, principal of and interest on any revenue bonds that may at any time be issued pursuant to authorization and any statute adopted at the 1971 Regular Session of the Alabama Legislature or at any other legislative session prior thereto for the purpose of constructing any seaport facility; provided, that amounts deposited into the Special Handling Charge Fund shall be first expended to the extent necessary for such purposes before any amounts are drawn from the Alabama State Docks Bulk Handling Facility Trust Fund.
(c) From the balance remaining in the Special Handling Charge Fund during each fiscal year there is hereby appropriated and there shall be paid by the State Treasurer into a reserve fund or funds established for the bonds until there is on deposit an amount equal to the maximum principal and interest becoming due on the bonds in any one year; to the extent that the balance remaining in the Special Handling Charge Fund is inadequate to fully fund the reserve fund, the reserve fund shall be funded from the Alabama State Docks Bulk Handling Facility Trust Fund.
(d) The balance thereafter remaining in the Alabama State Docks Bulk Handling Facility Trust Fund during each fiscal year shall be transferred as provided by Section 40-13-6.
(e) The balance, if any, in the Special Handling Charge Fund is hereby appropriated and shall be used by the State Treasurer to pay, at his discretion, principal and interest on the bonds in future years or to redeem portions of the bonds.