I am selling my house and am giving back a "second mortgage" which may or may not be forgiven. In just minutes, you can access the forms to help you complete your real estate transactions faster, and more easily.A donation agreement, also called a charitable gift agreement, is a document that established proof of a donation or gift to a charitable organization. Click the "Start" button to begin a new return or restore a previously saved RETR: • New return – select the county where the property is located. It is the official site to view all current approved WisDOT eminent domain real estate specific forms, READS templates and related documents. Use Schedule A (Form 1040) to figure your itemized deductions. Ing to real property in Wisconsin for Customer under a contract between Dealer and. Customer. Fill out any necessary tax forms, such as IRS Form 8283, for noncash charitable contributions. Sign up for E-notify to receive monthly City Real Estate E-newsletters. Subscribe to "City-Owned Homes" under New Property Sales Listings.