Ala. Code § 41-4-62

In cases where any person, firm, or corporation has purchased or may hereafter purchase from the state, or of its officers acting under authority or under color of authority purporting to be conferred by an act or resolution of the Legislature of this state, bonds or securities issued or proposed to be issued in consideration of funds or money which such person, firm, or corporation has actually paid or caused to be paid into the Treasury of the state, and where for any reason such bonds or securities have not been paid or cannot be issued and delivered or, if issued and delivered, have been declared invalid by the Supreme Court, such person, firm, or corporation may have the funds or money so paid into the Treasury of the state refunded, together with interest thereon at the rate of interest said bonds or securities proposed to bear from the date of the payment of said funds or money into the Treasury, on complying with the provisions and requirements of Section 41-4-63.