This document provides information about corporate tax payments in Utah, including: 1) It outlines the different types of corporate tax payments that can be made using the TC-559 payment coupon, such as estimated tax payments, extension payments, and return payments. 2) It specifies the estimated tax payment and extension payment requirements, including due dates and payment amounts. Corporations must make estimated tax payments equal to at least 90% of the current year's tax liability or 100% of the previous year's liability. 3) It notes that penalties and interest will be assessed for late payments, underpayments of estimated taxes, and failure to meet extension payment requirements. Payments and returns are due by specified dates to avoid