In many cases, charitable donations are tax-deductible. When you donate to a qualifying organization, you can deduct the amount from your taxable income."Can we solicit donations pending review of our tax exemption applications with the IRS and FTB? We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. This handy comprehensive checklist to help nonprofit 501(c)(3) organizations stay up-to-date with annual filing requirements. Use form FTB-3500a if you have received an IRS Determination Letter and form FTB-3500 if you have not. We also require a copy of the IRS determination letter for the organization. We must receive both of these documents before a pick up can be scheduled. Apply for federal tax exemption with the Internal Revenue Service (IRS) and receive a determination letter. Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS.