Many communities have, however, supplemented the basic code by requiring a minimum 30 door opening in most rooms, 24 for bathrooms, at least one 36 exterior door, and a minimum door height of 6'-8 (80).
Illinois will automatically grant all taxpayers a six-month extension of time to file Form IL-1040. For calendar year filers, the filing date is automatically extended to October 15. You are not required to file Form IL-505-I in order to obtain this automatic extension.
If you file your return after the automatic six-month extension period. and the IRS grants you an extension of more than six months, you. must attach a copy of the document granting your federal extension. to your tax return to avoid a late-filing penalty. Be sure to claim any Form IL-505-I payments on your 2016.