Social boundaries are established social rules that are considered typical because most people in society agree that they are reasonable ways to live. For instance, in America, it is rude to belch in front of others.
Illinois Tax Rates. The Illinois (IL) state sales tax rate is currently 6.25%. Depending on local municipalities, the total tax rate can be as high as 11%. Other, local-level tax rates in the state of Illinois include home rule, non-home rule, water commission, mass transit, park district, business district, county public safety, public facilities or transportation and county school facility tax.
The total amount of the Illinois Earned Income Credit is 5% of the credit on your federal return. Illinois income tax returns (Form IL-1040) are due annually on April 15th. More: detailed information on Illinois income tax. Additional Illinois State Taxes. Sales Tax: The state sales tax rate is 6.25%.