This is called tax relief. You can claim back the difference between the tax you've paid on the donation and what the charity got back when you fill in your Self Assessment tax return.If you're a higher rate taxpayer, you can claim tax relief on charitable donations you've made through Gift Aid. A classic donation letter contains a summary of your story, your core messages, and how you are addressing the issues you face. We'll walk you through how to write a donation request letter and share top tools and templates that can help you save time. Writing a donation letter for school can be daunting, but with these free templates, you can send the right message in no time. How do I file a Business Property tax return? What is the deadline? Organizations seeking exemption from Sales and Use Tax must complete all steps of this application. After a fundraiser, UNICEF High School Clubs may keep up to 25 percent of the revenue raised (in cash received only) to offset related expenses. Donations.