What do you need to include in your donation acknowledgment letter? A gift acknowledgment letter weaves together your nonprofit's appreciation, engagement, and compliance efforts following a donor's generosity.A donor acknowledgement letter should include a few specific items to assist the donor and help your organization comply with IRS regulations. Want to learn how to write and structure donor acknowledgment letters? Check out these tips and sample letters to make a greater impact. Discover how to craft donor acknowledgment letters that resonate. Access templates and best practices for donor engagement. No experience is necessary. There are a total of 12,223 assistant directors, communications in the US, and there are currently 36,340 job openings in this field.