Enter the entity name and identifying number from the tax return where the noncash charitable contribution was originally reported, if different from above. In many cases, charitable donations are tax-deductible.When you donate to a qualifying organization, you can deduct the amount from your taxable income. A donor acknowledgement letter should include a few specific items to assist the donor and help your organization comply with IRS regulations. Only donations made to a qualified charity can be deducted. This publication explains how individuals claim a deduction for charitable contributions. Do you need a donation receipt letter to claim a tax deduction? Before contributing to a non-profit, ensure its IRS classification as a 501(c)(3). Failure to do so may impact the donor's eligibility for tax deductions. The Michigan Nonprofit Association,.