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.
Download all Illinois sales tax rates by zip code. The Cook County, Illinois sales tax is 9.00% , consisting of 6.25% Illinois state sales tax and 2.75% Cook County local sales taxes.The local sales tax consists of a 1.75% county sales tax and a 1.00% special district sales tax (used to fund transportation districts, local attractions, etc). Cook County Illinois Sales Tax Exemptions.