Illinois employers that receive a wage garnishment must comply with Illinois garnishment requirements as well as applicable federal law. For most ordinary creditor garnishments, Illinois limits the amount that may be deducted to the lesser of 15% of gross weekly wages or the amount by which disposable earnings exceed 45 times the greater of the applicable federal or Illinois minimum wage.
An Illinois wage garnishment, commonly called a wage deduction, is a legal process requiring an employer to withhold part of an employee's wages and remit the money toward a debt. Illinois wage deductions are primarily governed by Part 8 of Article XII of the Illinois Code of Civil Procedure.
Illinois law defines wages broadly to include hourly pay, salaries, commissions, bonuses, and other compensation owed by an employer to a judgment debtor. A wage deduction order has the force and effect of a judgment.
For an ordinary creditor garnishment, Illinois law limits the amount that may be deducted for any workweek to the lesser of:
Illinois uses a 45-times-minimum-wage threshold rather than the federal 30-times threshold for ordinary wage deductions. Because Illinois generally provides a more restrictive percentage limit than the federal 25% limit, employers should apply the Illinois calculation and ensure compliance with all applicable federal requirements.
For wage garnishment purposes, disposable earnings are the portion of an employee's earnings remaining after deductions that are required by law to be withheld. Amounts such as required federal, state, and local taxes and Social Security deductions are therefore considered before applying the garnishment calculation.
Employers should not calculate an Illinois wage garnishment by simply taking 15% of an employee's take-home pay. The Illinois statute specifically compares 15% of gross wages with the amount by which disposable earnings exceed the applicable 45-times-minimum-wage threshold.
An ordinary Illinois wage garnishment generally begins after a creditor obtains a judgment against the employee. The judgment creditor can then pursue a wage deduction summons against the employer.
When an employer receives an Illinois wage deduction summons, payroll should:

The wage deduction summons provides the employer with information about the judgment creditor, judgment debtor, amount of the judgment, employer, and return date. Illinois law also requires the employee to receive notice of the potential wage deduction.
The summons and related documents should be reviewed carefully because the employer's response obligations and withholding requirements depend on the specific legal process involved.
An employer served with a wage deduction summons becomes the garnishee. The employer must respond to the garnishment process and disclose information concerning wages owed to the judgment debtor.
Illinois law provides for garnishee interrogatories that require the employer to answer under oath. Based on the employer's answer, the court may enter a deduction order requiring the employer to deduct the applicable amount from the employee's wages.
Employers should respond accurately and within the deadlines stated in the garnishment documents. Failure to properly respond can expose the employer to liability.
Illinois law provides exemptions that may protect certain property and income from wage deduction. Among the specifically protected amounts are qualifying pension and retirement benefits and refunds.
Employees may have additional protections under Illinois or federal law depending on the type and source of the funds and the underlying debt.
Employers should not independently approve or deny an employee's exemption claim. Payroll should continue following the garnishment unless a court or other authorized authority provides instructions modifying the withholding.
Illinois establishes priority rules when an employee is subject to multiple wage deduction orders. A wage deduction lien generally has priority over a subsequent wage deduction lien.
Liens for the support of a spouse or dependent children have priority over other wage deduction liens. Subsequent summonses generally become effective according to the order in which they are served.
Employers should maintain a complete record of all garnishment orders affecting an employee before beginning or changing any withholding.
Child support and other family-support withholding orders are subject to special federal and Illinois requirements and generally take priority over ordinary creditor garnishments.
Federal law generally permits withholding for child support and spousal support at levels higher than those permitted for ordinary consumer debts. Depending on the employee's circumstances, the federal limit is generally 50% or 60% of disposable earnings, with an additional 5 percentage points potentially available when the support obligation is more than 12 weeks in arrears.
Illinois employers processing an income-withholding order for child support should follow the specific order and applicable federal and state requirements rather than applying the ordinary 15% creditor-garnishment limit.
Federal, state, and local tax collection actions may use administrative wage levies or other procedures that differ from an ordinary Illinois creditor garnishment.
Federal tax levies have their own rules for determining exempt amounts. Illinois tax authorities may also use specialized collection procedures. Employers should follow the instructions contained in the applicable tax levy or administrative order.
Defaulted federal student loans may be subject to administrative wage garnishment without a traditional court judgment. Federal law generally permits an administrative garnishment of up to 15% of disposable pay for qualifying defaulted federal student loans, subject to applicable federal protections.
Employers receiving a federal student loan administrative wage garnishment should follow the instructions from the issuing federal agency or guaranty agency rather than treating the order as an ordinary Illinois wage deduction.
Illinois employers must comply with the federal Consumer Credit Protection Act in addition to Illinois wage deduction law. For ordinary consumer debts, federal law generally limits garnishment to the lesser of 25% of disposable earnings or the amount by which disposable earnings exceed 30 times the federal minimum hourly wage.
Illinois generally imposes a lower 15% percentage limit for ordinary wage deductions and uses a 45-times-minimum-wage threshold. Different federal limits apply to child support, tax levies, bankruptcy, student loans, and certain other obligations.
Federal law generally prohibits an employer from discharging an employee because the employee's earnings have been garnished for any one indebtedness.
This protection generally does not prohibit discharge when an employee has multiple garnishments for separate debts. Employers should nevertheless avoid retaliatory employment actions related to an employee's garnishment status.
Employers should continue withholding wages while the garnishment or wage deduction order remains legally effective.
Withholding should stop when the judgment has been satisfied or when the garnishment has been released, terminated, or modified by the court, creditor, or other authorized authority.
Payroll should not stop a garnishment solely because an employee states that the debt has been paid. Appropriate documentation should be obtained before terminating or changing the withholding.
Illinois wage garnishment compliance requires more than applying a percentage to an employee's paycheck. Employers must identify the type of garnishment, calculate gross and disposable earnings correctly, apply the Illinois wage deduction limits, consider priority and exemptions, respond to the garnishment documents, and remit withheld funds as required.
For most ordinary Illinois wage deductions, the maximum is generally the lesser of 15% of gross weekly wages or the amount by which disposable earnings exceed 45 times the greater applicable federal or Illinois minimum hourly wage.
Employers should maintain records of wage deduction summonses, dates of service, employee notices, garnishee interrogatories, deduction orders, wage calculations, amounts withheld, payments made, and correspondence relating to each garnishment.
Accurate records are especially important when an employee has multiple garnishments, child support obligations, exemption claims, or changes to the underlying court order.
Illinois wage garnishment laws and procedures can change through legislation, court rules, and administrative requirements. Employers should periodically review current Illinois law and the specific garnishment documents they receive to ensure that payroll calculations and procedures remain compliant.
This information is provided for general educational purposes and is not legal advice. Illinois garnishment requirements can vary based on the type of debt, the employee's circumstances, applicable exemptions, the priority of other withholding orders, the issuing court or agency, and federal law. Employers should review the specific garnishment documents and consult qualified legal counsel when necessary.
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