Explore a sample donation request letter for sports teams, plus get a free template and tips for writing your own fundraising letters. Please write your name legibly, sign the form and enter your employee number.Learn how to write effective fundraising letters that inspire more support from donors. Explore best practices and templates in this comprehensive guide. This booklet contains: Form 100S, California S Corporation. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. Reporting Requirements – Taxpayers may need to file form FTB 4197, Information on. This gift supports Penn Wrestling and the development of our program. For federal income taxation purposes, this letter acknowledges your contribution.