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.
Illinois' Sales Tax By The Numbers: Illinois has a higher-than-average sales tax, including when local sales taxes from Illinois's 912 local tax jurisdictions are taken into account. Illinois has a statewide sales tax rate of 6.25%, which has been in place since 1933. Municipal governments in Illinois are also allowed to collect a local-option sales tax that ranges from 0% to 4.75% across the state, with an average local tax of 1.3% (for a total of 7.55% when combined with the state sales tax). The maximum local tax rate allowed by Illinois law is 4.75%.