By law, most sellers of real property must provide a completed Seller Disclosure Statement (aka Form 17) to any buyer. Almost every home seller in WA must complete a Seller Disclosure Statement, aka the Form 17.Learn more, and get a copy you can use for free! To be used in transfers of improved residential real property, including residential dwellings up to four units, new construction,. In today's video, attorney Darcel Lobo describes the Seller Disclosure Form, what it includes, and how it works. Download Forms and Publications. Blood donors report feeling a sense of great satisfaction after making their blood donation. Why? Because helping others in need just feels good. Welcome to the new FWCS website! We are excited to launch this improved resource.