Unclaimed property forms. Before you start writing the letter, think about your relationship with the person who owes the money.Is it a friend or relative? Washington Connection offers you a fast and easy way to apply for a variety of public benefits. A Washington's Lottery claim form and W-9 must also be completed. Non-U. The IRS has issued all first, second and third Economic Impact Payments. You can no longer use the Get My Payment application to check your payment status.