Generally, you can only deduct charitable contributions if you itemize deductions on Schedule A (Form 1040), Itemized Deductions. 1 Enter the amount you wish to donate to each of the following voluntary charitable donation funds.You may contribute any whole-dollar. There is no fee to apply. Your organization should submit their request to us using MyTax Illinois or at the address located at the end of this section. We've created this stepbystep guide on everything you need to know about creating a donation receipt letter for tax purposes. The following forms should be used when registering a charity or professional fund-raising organization with the Illinois Attorney General's Office. In this article, we will focus on applying for taxexempt status for 501(c)(3) organizations in Illinois. This includes income, sales, and real estate taxes. In many cases, charitable donations are tax-deductible.