020) since January 1, 1995. Understand key disclosure requirements for sellers in Washington state and learn how to comply effectively.Fill out all of this form and other papers you are attaching before you sign this form in front of a notary. The Form 17 permits a seller to mark answers to the form questions as "Yes", "No", "I don't know", and "NA." By law, most sellers of real property must provide a completed Seller Disclosure Statement (aka Form 17) to any buyer. Yes, there is a "Form 17" that asks all kinds of questions and requires that the seller disclose all issues. You can deduct a part of your medical and dental expenses, and amounts you paid for certain taxes, interest, contributions, and other expenses. Just enter the wages, tax withholdings and other information required below and our tool will take care of the rest. You should fill out the new withholding allowance form (IT-2104) to see if you have to change your New York State withholding amount. It is not to be confused with the state income tax which is used to support state government.