Download our Tax Receipt (as PDF) Goodwill is a qualified tax exempt public charity under Section 501(c)(3) of the Internal Revenue Code. FAQ - Do I need to register my out of state business in Washington state?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. Each donor receipt should include the charity's name and name of the donor. Fill out this form to generate and email a Planet Aid receipt for your donation. Donors should consult a tax advisor before claiming deductions. Get started with our donation valuation guide, which features estimates for the most commonly donated items.