A nonrefundable individual tax credit for voluntary cash contributions to a qualifying charitable organization (QCO). If you made cash contributions to a qualifying foster care charitable organization (QFCO), you must complete Form.To donate, complete the form in the donation brochure or donate online. Donation receipts are important! Here's how to create donation receipts your donors (and the IRS) will love. You'll need to fill out Form 321, which you can download from the Arizona Department of Revenue website. If you want to take advantage of the Arizona charitable tax credit, follow our stepbystep guide to reduce your tax burden. The 2025 ultimate Arizona Charitable Tax Credit guide for the 2024 tax year. Learn how to use AZ state tax credits to your advantage. Out-of-Arizona-State Donors.