Each of the special election commissioners shall be the custodian of the ballot boxes, and affidavit boxes, and of all certificates and returns of his precinct and shall safely convey the same to the office of the county clerk not later than twelve o'clock noon of the second day next succeeding the day of election, and shall at said time and place, meet with other special commissioners, and shall select one of their number and commission him to proceed at once to the office of the Governor, and to deliver to the Governor all the boxes, certificates and returns; said special messenger giving a receipt to each commissioner for all boxes and returns so accepted, and taking a receipt from the Governor for all boxes and returns delivered to him.