If you donated to charity last year, letters from the charities may have appeared in your mailbox recently acknowledging the donations. But what happens if you haven’t received such a letter — can you still claim a deduction for the gift on your 2021 income tax return? It depends. The requirements To prove a charitable donation for which you claim a tax deduction, you need to comply with IRS substantiation requirements. For a donation of $250 or more, this includes obtaining a contemporaneous written acknowledgment from the charity stating the amount of the donation, whether you received any goods or services in consideration for the donation and the value of any such goods or services. “Contemporaneous” means the earlier of: The date you file your tax return, or ...