MiFILE provides a means to Save Progress if the filer wants to stop working and return to the filing later. Michigan Legal Help has tools to fill many kinds of forms but we do not cover all areas.You may have a blank form that you need to fill out on your own. If you hold the stock for one year or less, your gain will be short term, and you'll owe ordinary income tax on it. See What is backup withholding, later. By signing the filled-out form, you: 1.