Sec. 2. AMOUNT OF REIMBURSEMENT FOR EXPENSES. Any person seeking reimbursement as a witness shall make an affidavit setting out the transportation, meal, and lodging expenses necessitated by his travel to and from and attendance at the place he appeared to give testimony, together with the number of days that such travel and attendance made him absent from his place of residence. A reimbursement paid by the state to a witness for transportation, meal, or lodging expenses may not be paid at a rate that exceeds the maximum rates provided by law for state employees.