Any justice, judge, member of the State Corporation Commission, or member of the Virginia Workers' Compensation Commission who is retired under the Judicial Retirement System (§ 51.1-300 et seq.) and who is temporarily recalled to service shall be reimbursed for actual expenses incurred during such service and shall be paid a per diem of $400 for each day he actually sits, exclusive of travel time.
Va. Code § 17.1-327