Ala. Code § 11-50-103: Maintenance of Account and Disbursement of Proceeds from Assessments Generally.

The city or town officials charged with the duty of collecting assessments shall keep a correct account of all funds arising from such assessments and shall carefully and correctly keep a separate account of the fund arising from the collecting of assessments under each particular purchase or improvement ordinance, and no proceeds arising from assessments levied for one improvement or improvements shall be directed to the payment of the bonds or coupons issued for any other purchase or improvement or to the payment of any other indebtedness of the city or town or for any other purpose whatsoever, except as expressly provided in this division.