Here are four easy tips to help you create an effective event sponsorship acknowledgment template. Sponsorships are a great way to form partnerships with others for consistent support.Check out our letter templates to learn how to make that ask! Effective donor acknowledgment letter can help you retain donors and increase brand awareness. Read how it can increase donations as well. The forms of acknowledgment set forth in this section may be used and are sufficient for their respective purposes under any law of the Commonwealth. Looking to secure sponsorships for your organization? Download these sponsorship letter templates to help you write a successful sponsorship letter! What do you need to include in your donation acknowledgment letter? Many proposals require or allow letters from your institution, administrators, partners, and collaborators.