Alabama Code Title 17. Elections § 17-13-76

The chair of any committee or subcommittee before which may be pending any contest as herein provided may administer oaths to witnesses in such contests and summon persons and officers to be and appear before such committee or subcommittee. The person who desires the summoning of any witnesses, at the time he or she makes request of the chair of such committee to summon any witness, shall deposit with the chair of such committee, in cash, sufficient money to pay the cost of summoning any such witness and also to pay such witness the sum of one dollar ($1) per day while attending upon such committee and the sum of three cents ($.03) per mile each way in coming and returning from attendance upon such committee. All witnesses summoned to testify in any contest pending before any committee shall be paid at the rate of one dollar ($1) per day and three cents ($.03) per mile. Any party to the contest may file with the chair an instrument in writing, signed by any such desired witness, waiving the right to claim such per diem and mileage, in which event the chair shall not require a deposit for the payment of such witness fees, but only for the expense of summoning him or her.