A gift acknowledgment letter weaves together your nonprofit's appreciation, engagement, and compliance efforts following a donor's generosity. 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.A donation acknowledgment letter (sometimes called a donation receipt or thankyou letter) is an email or paper that recognizes a charitable contribution. Gift acknowledgement letters are important for two reasons. First, they provide proof so donors can claim a US tax exemption. 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. Gift Acknowledgement sample letter should be sent once a pledge has been completely fulfilled. Be appointed temporary guardian of the ESTATE of the minor and Letters issue upon qualification. e.