The Charitable Tax Credit allows Arizona donors like you to get back your HandsOn Greater Phoenix charitable donation as a state tax refund. Generally, you may deduct up to 50 percent of your adjusted gross income, but 20 percent and 30 percent limitations apply in some cases.Donation receipts are important! Here's how to create donation receipts your donors (and the IRS) will love. All recurring donations have a time limitation. You will be asked to designate a specific time to donate. This publication explains how individuals claim a deduction for charitable contributions. Out-of-Arizona-State Donors. Dear family and friends,. The. Arizona Corporation Commission cannot tell you whether you can or should form a professional LLC, because this issue may involve legal or tax advice, and.