Article I of the United States Constitution created and empowered our legislative branch of government. The United States Congress leads the legislative branch. Congress includes both the House of Representatives and the Senate. Generally speaking, Congress makes our laws.
Income Tax returns and schedules. The Illinois Business Income Tax rate for tax years. ending on or after December 31, 2015, is 5.25 percent. (.0525) for taxpayers taxed as corporations, and 3.75. percent (.0375) for taxpayers taxed as trusts or estates. The instructions for overpayments to be carried forward.
1 an Illinois resident, you must file Form IL-1040 if. 2  you were required to file a federal income tax return, or. 3  you were not required to file a federal income tax return, but your Illinois base income from Line 9 is greater than your Illinois exemption allowance. you were required to file a federal income tax return, or. 2  you were not required to file a federal income tax return, but your Illinois base income from Line 9 is greater than your Illinois exemption allowance.