Alabama Code Title 45. Local Laws § 45-47-244

(a) The Marion County Commission is hereby authorized to levy and impose in the county, in addition to all other taxes of every kind now imposed by law and to collect as herein provided, a privilege or license tax on the sale of any automotive vehicle, truck trailer, semitrailer, and house trailer required to be registered or licensed with the Marion County Judge of Probate and purchased other than at wholesale in the county from any person, firm, or corporation which is not a licensed dealer engaged in selling automotive vehicles, truck trailers, semitrailers, or house trailers an amount equal to one and one-half percent of the purchase price.

(b) The Marion County Commission is hereby authorized to levy and impose in the county, in addition to all other taxes of every kind now imposed by law, and to collect as herein provided, an excise or use tax on the storage, use, or other consumption in the county of any automotive vehicle, truck trailer, semitrailer, or house trailer required to be registered or licensed with the Marion County Judge of Probate and purchased other than at wholesale outside the state for storage, use, or other consumption in Marion County, a tax in an amount equal to one and one-half percent of the purchase price.

(c) Where any used automotive vehicle, truck trailer, semitrailer, or house trailer is taken in trade or in a series of trades as a credit or part payment on the sale of a new or used automotive vehicle, truck trailer, semitrailer, or house trailer, the taxes authorized to be levied by this section shall be paid on the net difference, that is, the price of the new or used vehicle or trailer sold less the credit for the used vehicle or trailer taken in trade.

(d) The taxes authorized to be levied by this section shall be collected by the Marion County Tax Collector at the same time and in the same manner as the tax levied by Sections 40-23-101 and 40-23-102, and shall be subject to all the same definitions, exceptions, exemptions, proceedings, requirements, rules, regulations, provisions, penalties, fines, punishments, deductions, and discounts;  provided, however, the tax collector shall not be entitled to receive additional compensation for collection of the tax authorized herein.

(e) The revenue collected by the tax collector pursuant to this section shall be deposited in a special fund of Marion County to be used for establishing and maintaining a Marion County water system.