Ala. Code § 40-17-275: Audit.

The agreement pursuant to this article may provide for each state to audit the records of persons based in the state to determine if the motor fuel taxes due each state are properly reported and paid. Each state shall forward the findings of the audits performed on persons based in this state to each state in which the person has used taxable motor fuels. For persons who are not based in this state and who have used taxable motor fuel in this state, the department shall serve the audit findings received from another state in the form of an assessment on the person as though an audit was conducted by the department.