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Rate Change For Assessment for Illinois Telecommunications Access Corporation Fund

Natural Disaster Income Tax Credit

Simplified Municipal Telecommunications Tax Rate Changes Effective January 1, 2018

Invest In Kids Act - SGO

Illinois Income Tax Increase Guidance - Detailed Instructions For Filing Your 2016 Illinois Income Tax Return And 2017 Estimated Payments (2018)

Sales Tax Rate Change Summary

Sales Tax Rate Change Summary

Electronic Filing Requirements For Sales And Use Taxes, And Withholding Income Tax

Rate Change For Assessment for Illinois Telecommunications Access Corporation Fund

Sales Tax Rate Change Summary