Ala. Code § 11-11-8

Any warrants issued by a county under the provisions of this chapter in anticipation of and payable solely out of that portion of the highway gasoline tax required by law to be distributed to counties which are subject to the provisions of this chapter are hereby exempted from the laws of the state of Alabama governing usury or prescribing or limiting interest rates, including, without limitation, the provisions of Chapter 8 of Title 8.