What do you need to include in your donation acknowledgment letter? Find out what the IRS requires, what donors expect, and our recommendations for acknowledging contributions.A gift acknowledgment letter weaves together your nonprofit's appreciation, engagement, and compliance efforts following a donor's generosity. This receipt is issued to individuals who have donated cash or payment, personal property, or a vehicle and seek to claim the donation as a tax deduction. "Thank you for your contribution of (insert amount of cash donation) on Date. No goods or services were provided in exchange for this contribution. Want to learn how to write and structure donor acknowledgment letters? Check out these tips and sample letters to make a greater impact. Encourages more giving: Satisfied and appreciated donors are more likely to give again in the future. Not in Annapolis, Maryland where she lived.