(a) The supreme court, when necessary, may appoint a clerk pro tempore.
(b) The supreme court, by an order recorded in the minutes of the court, may authorize the clerk to appoint three deputy clerks who may discharge the duties required by law of the clerk. Each deputy clerk must give a bond that is approved by the supreme court and is in the same amount and subject to the same conditions as required for the bond of the clerk of the court. A deputy clerk serves at the will of the court.