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  1. Illinois Department of Revenue

    The Illinois Department of Revenue (IDOR), in consultation with the Department of Commerce and Economic Opportunity, is conducting a study to evaluate the property tax system in Illinois, as …

  2. Payroll tax in Illinois: What employers need to know - Rippling

    Sep 22, 2023 · Rippling’s payroll software practically runs itself, from automating all your compliance work to filing federal and Illinois state payroll taxes at the right time, with the right agencies.

  3. Illinois payroll tax and registration guide – Help Center Home

    Dec 23, 2025 · Each state has its own requirements, so if you pay employees in more than one state, you’ll find separate tax guides for each state. See what information you need to provide OnPay, and …

  4. How to Calculate and File Illinois Payroll Taxes - LegalClarity

    Nov 25, 2025 · A complete guide for Illinois employers on navigating dual-agency payroll tax compliance, from registration to timely electronic filing.

  5. Essential Guide to Payroll Tax Filing and Compliance in Illinois

    Payroll taxes are a critical responsibility for every employer in Illinois. These taxes include federal and Illinois income tax withholding, which must be collected from employee wages and submitted to the …

  6. Payroll Tax Guide for Employers in Illinois - Complete 2025 Guide

    Jul 13, 2025 · This change affects high-earning employees who will pay Social Security taxes on additional income. Which form should be used for reporting employer payroll taxes in Illinois? …

  7. Illinois Payroll Tax Facts | Tax Resources | Paylocity

    Illinois' local and state minimum wage guidelines, frequently asked questions, and resources for navigating local and state taxes.

  8. Comprehensive Guide to Payroll Taxes in Illinois - Deel

    Aug 22, 2025 · Illinois state payroll taxes, including unemployment insurance, personal income tax, and workers’ compensation, are required in order to comply with local regulations. No matter how many …

  9. Payroll Laws, Taxes and Regulations In Illinois - every.io

    Explore the 2025 payroll laws, tax requirements, and compliance regulations in Illinois to help employers manage payroll accurately and stay legally compliant.

  10. Illinois Payroll Tax Registration - Mosey

    Dec 8, 2025 · Learn how to set up Illinois Unemployment Insurance and Withholding Tax accounts for your business. File forms online or by mail, and create a MyTax Illinois account for easy tax …