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.
Illinois grants an automatic six-month extension of time to file your state tax return. You do not have to file any form with Illinois to take advantage of the extension. The extended filing deadline is October 15, 2018.