What to Know Before You Buy or Sell: Form 17 Seller Disclosure Statement. I am An Heir, Does A Personal Representative Need To Submit A Seller Disclosure Form 17 On The Sale Of Real Property?The Form 17 is governed under Chapter 64.06 of the Revised Code of Washington, and in the case of improved residential real estate, RCW 64.06. Does the owner of a manufactured home that sits on leased land have to fill out Form 17 in Washington State? The Form 17 is governed under Chapter 64.06 of the Revised Code of Washington, and in the case of improved residential real estate, RCW 64.06. Seller filling out property disclosure statement form on laptop Download either the blank property disclosure statement or the State-specific version. Statute or law to be disclosed in the transfer of residential real estate.