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.
You must file Form IL-1120 if you are a corporation thatâ¢ has net income or loss as defined under the Illinois Income Tax Act (IITA); orâ¢ is qualified to do business in the state of Illinois and is required to file a federal income tax return (regardless of net income or loss).f you are required to file Form IL-1120, you should register with the Illinois Department of Revenue. You may registerâ¢ online with MyTax Illinois, our free online account management program for taxpayers; orâ¢ by calling our Central Registration Division at 217 785-3707.