I'm going to show you how to send the form 17 to your sellers have them be able to fill out all of the boxes get it back and then be able to deliver it. If you don't elect to deduct general sales taxes, include on line 5a the state and local income taxes listed next.020) since January 1, 1995. How do I fill in the forms? File a valid return. Many states can collect tax debts for longer than the IRS, which will generally stop pursuing a debt after 10 years. Most states calculate their tax similarly to federal methods. Most importantly the HS7 form filled out. Week before withholding tax and retirement deductions. FEDERAL TRADE COMMISSIONER--1915-1931. Name.