The current form is 6 pages long and includes most of the typical property issues requiring disclosure with a catchall question for anything left out. Hey Buddy Buck here!My understanding is that Form 17 applies only to "Real Property" and that land must be part of the sale in order to be considered "Real Property". No need to install software, just go to DocHub, and sign up instantly and for free. This is a multistate form for use in the states listed. Not all states allow all exemptions listed on this form. This easy-to-complete purchase agreement covers everything you need to clear the final hurdle of your real estate sale. Michigan Seller's Disclosure Statement. Nearly all real estate sales in Washington State require a seller disclosure statement, also known as Form 17, to be given to the buyer. Whether Federal or State Law prohibits the sale or disposition of a firearm to you.