The state canvassing board shall carefully examine all election returns and certificates issued by the county canvassing boards. If any discrepancy, omission or error appears on their face, the state canvassing board shall immediately forward such returns or certificate to the district court in which the precinct or county canvassing board is situated. The district judge upon receipt of such returns or certificate shall issue a summons to the responsible precinct board [election board] or county canvassing board, directing them to appear forthwith before him to complete or correct such returns or certificate.