FAQ - Do I need to register my out of state business in Washington state? Download our Tax Receipt (as PDF) Goodwill is a qualified tax exempt public charity under Section 501(c)(3) of the Internal Revenue Code.Each donor receipt should include the charity's name and name of the donor. The Donation Value Guide below helps you determine the approximate tax-deductible value of some of the more commonly donated items. In-Kind Donation – Donation of Goods or Property. You can also contact the Washington Gives Support Team through Mightycause to request a copy of your receipt. Financial information can be verified at the. Or, simply request a donation receipt online here. By completing this form you understand the federal law provides that clothing and household goods must be in "good used condition or better" for tax deductions. Your donations are tax deductible.