A gift acknowledgment letter weaves together your nonprofit's appreciation, engagement, and compliance efforts following a donor's generosity. What do you need to include in your donation acknowledgment letter?When acknowledging these donations, include the name of the donor, the number of shares, the name of the security, and the date when the transfer was completed. Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS. Want to learn how to write and structure donor acknowledgment letters? Check out these tips and sample letters to make a greater impact. As the chief law enforcement officer in the state, I am committed to protecting donors and charitable assets, and ensuring that donations are not diverted or.