What do you need to include in your donation acknowledgment letter? Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS.A gift acknowledgment letter weaves together your nonprofit's appreciation, engagement, and compliance efforts following a donor's generosity. Donation thank you letter template: Learn how to craft heartfelt thank you notes and enhance donor engagement with LettrLabs. Acknowledgment of "no goods or services were provided as part of this donation. Use this gift agreement template as a starting point to spell out and document what your donor expects and what your nonprofit is committed to providing. Use this gift agreement template as a starting point to document what your donor expects and what your nonprofit is committed to providing. Provide your peer-to-peer fundraising participants with a template like this to show them how to solicit these gifts. You can use this template to thank donors when they first set up their ongoing donation. At LettrLabs, we specialize in creating unique, handwritten thank you notes using our proprietary robotics technology.