(1) A public contractor, unless the contractor constructs or works on a federal research facility, shall pay to the department a license fee in a sum equal to 1% of the gross receipts, as defined in 15-50-101, from public contracts during the income year in which the public contractor receives payment.
(2) The license fee must be computed upon the basis of the entire contract for each separate contract let by any of the public bodies as provided for in 15-50-206.