Mineral Production Withholding tax is a prepayment of income tax related to the production or extraction of minerals from within the state of Utah. Mineral production withholding is reported on Form TC-675R or Federal Schedule K-1. The amount withheld for Utah can be deducted as a credit on the Utah income tax return for the year it was withheld. Enter the mineral production withholding tax on TC-40S, Part 5, using code 46.