We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Complete this form and mail with payment to: PLEASE MAKE ONLY THREE SELECTIONS.Apply my tax credit to the following School(s):. A donation receipt documents the details of a cash or property donation that's gifted to an individual cause or organization. In addition to doing good for the community, some ECAP donations may be tax deductible. Plus, your gift may qualify for a tax deduction! Just report the amount you donated to the YMCA on form 321. We will send you (the donor) a letter confirming your donation. The employee should write their total annual donation on the line provided. All CASH donations should be given a receipt or donation memo.