020) since January 1, 1995. Learn more about the NWMLS Form 17 (or Seller Disclosure Statement).Almost all sellers in WA must complete and provide one to a buyer. To be used in transfers of improved residential real property, including residential dwellings up to four units, new construction,. The Form 17 permits a seller to mark answers to the form questions as "Yes", "No", "I don't know", and "NA." These forms are not a substitute for legal advice and if you have difficulty filling out these forms, then you may wish to consult with an attorney. These forms are not a substitute for legal advice and if you have difficulty filling out these forms, then you may wish to consult with an attorney. As part of the dissolution proceedings, Sarah and Wayne executed a PSA in which Wayne would make monthly payments to purchase Sarah's interest in. Our shared belief in the power of belonging, collaboration, and growth is a cornerstone on the West Side.