CJA Form 31 Death Penalty Proceedings: Ex Parte Request for Authorization and Voucher Expert and Other Services is a form used in federal court to authorize and voucher expert and other services for death penalty proceedings. It is used to request authorization from the court for payment of such services rendered to the court. The form is used to request authorization from the court for the payment of expert and other services rendered in death penalty proceedings. It is used to provide information on the type of services requested, the amount of payment requested, and the qualifications of the expert providing the services. The form is typically completed by the attorney representing the defendant in the proceedings. The types of CJA Form 31 Death Penalty Proceedings: Ex Parte Request for Authorization and Voucher Expert and Other Services include requests for: mental health experts, mitigation specialists, investigators, linguists, experts in scientific or technological matters, and other services as determined by the court.