A letter campaign is a great way for clubs to collect donations to help pay for club expenses, trips, equipment, etc. Please forward this receipt to your company's appropriate personnel for tax purposes.File applications for tax exemptions with the IRS and California. Franchise Tax Board (FTB). Explore a sample donation request letter for sports teams, plus get a free template and tips for writing your own fundraising letters. Donations may be sent to: Gifts from the Heart P.O. Box 269057. Sacramento CA 95826-9057​. 1. All requests must be submitted via our online form. 2. Requests must be received at least thirty (30) days in advance of the event date. 3. This handy comprehensive checklist to help nonprofit 501(c)(3) organizations stay up-to-date with annual filing requirements.