Generally, you can only deduct charitable contributions if you itemize deductions on Schedule A (Form 1040), Itemized Deductions. Bystep guide on how to fill out a Goodwill tax donation receipt.This form is available at our stores in Maine, New Hampshire and Vermont. Donations of certain household items and clothing are often tax deductible when you file your income tax return. In many cases, charitable donations are tax-deductible. When you donate to a qualifying organization, you can deduct the amount from your taxable income. Include the nonprofit's EIN so the the donor can to check the charity's tax-exempt status with the IRS. The IRS offers tax deductions for any donations made to charities over the course of the tax year. Individuals and businesses alike can declare their donations. The IRS provides clear and simple directions for donors in the US on how to claim taxdeductions for charitable giving.