If you contribute using our secure online form to pay with a major credit card, you will receive a receipt in your email that you can print out. Fill out the attached Tax Credit Form.Attach your check made out to the school of your choice. We'll send you a receipt for your records. Then, when you complete your Arizona state taxes, you can subtract your donation from what you owe in taxes. In addition to doing good for the community, some ECAP donations may be tax deductible. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. The donation can also be used as a charitable deduction. Can I mail my check? Plus, your gift may qualify for a tax deduction!