020) since January 1, 1995. I am An Heir, Does A Personal Representative Need To Submit A Seller Disclosure Form 17 On The Sale Of Real Property?A Washington real estate contract is a contract that is drafted when a buyer makes an offer on a real estate listing. 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". Thinking of buying or selling a home in Washington State? Understanding the Residential Real Property Disclosure Statement (Form 17) is crucial. The seller disclosure statement, also known as a seller disclosure form or Form17 is a crucial document that sellers must complete when selling their home. WHEREAS, the provisions of Ordinance No. 837 (new series) of the ordinances of The. Mac Users: We are requesting that you use Adobe Reader to fill out all Purchasing forms. Standard of Practice 1-9.