Signature of person sending in donation. Name of Principal Approving.When completing your bequest forms, please make sure the following items are included: Your signature and date signed. Name, Address and telephone number. Edit, sign, and share donation form for a team online. No need to install software, just go to DocHub, and sign up instantly and for free. In this article, we'll show you exactly how to write a compelling, effective thank-you letter for donations. 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.