Ala. Code § 34-9-47

Depositions may be taken within or without the State of Alabama in the manner provided for by the laws of Alabama and the Alabama Rules of Civil Procedure for the taking of depositions in matters pending in the circuit courts of this state. The depositions shall be returnable to the board office, and the depositions may be opened or used by the parties to the proceedings the same as is provided for in matters pending before the circuit courts.