Enter the total of your voluntary contributions from TC-40, page 3, Part 4. The contributions will add to your tax due or reduce your refund.This publication explains how individuals claim a deduction for charitable contributions. This calculator can help you quantify the tax benefits of contributing to a qualified public charity. Current Utah State Tax Commission forms. To donate is irrevocable; you can't get a refund later. These donations may be itemized as charitable contribution deductions on your 2017 income tax return. You must charge sales tax if you make sales that are not directly related to a religious or charitable act or organization. H.B. 2757 introduces a new economic (dollar-based) nexus standard for businesses that have no physical presence in the state. Because line 1C includes all cash contributions, the amount entered on 6c includes all charitable tax credits claimed on the Arizona tax return.