Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS. Charitable contributions are generally taxdeductible if you itemize.Learn how to write effective fundraising letters that inspire more support from donors. Explore best practices and templates in this comprehensive guide. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. When you fill out your tax return this year, you can include all contributions you make to these schools as a deductible charitable contribution. Complete list of Texas Comptroller Property Tax Forms and Applications click here. Texas Comptroller Property Tax Publications click here. The Donation Value Guide below helps you determine the approximate tax-deductible value of some of the more commonly donated items. Download and complete Texas property tax forms.