If you're collecting unemployment benefits in Illinois, filing your initial claim is only the first step. To keep receiving payments, you must complete a process called weekly certification — sometimes referred to as "IDES certification" after the Illinois Department of Employment Security, the state agency that administers unemployment insurance.
Understanding how this process works, what questions you'll be asked, and what can interrupt your payments helps you stay on track.
Weekly certification is how Illinois confirms that you're still eligible to receive unemployment benefits during each week you're claiming. Think of it as a recurring check-in: you report your work activity, any earnings, and whether you were able and available to work during the previous week.
IDES uses your answers to verify continued eligibility before releasing payment. If you don't certify for a given week, you generally won't receive benefits for that week — even if you were otherwise eligible.
In Illinois, certification is typically done on a weekly basis, and claimants certify for the week that just ended. IDES uses a specific filing schedule, often based on the last digit of your Social Security number, to spread out the volume of certifications being processed.
You can certify through two main channels:
📋 IDES provides login credentials and instructions when your initial claim is approved. If you lose access to your account or have trouble logging in, IDES has a support process for recovering credentials.
Each time you certify, you'll answer a standard set of questions covering the week in review. These typically include:
Your answers are submitted under penalty of perjury. Providing false or incomplete information can result in an overpayment, disqualification, or fraud determination — any of which can require repayment and may carry additional consequences.
Illinois, like most states, allows claimants to work part-time while receiving benefits — but earnings affect your weekly payment. If you work during a certification week and report wages, IDES applies a formula to determine whether you still receive a partial benefit or whether your earnings exceed the threshold for that week's payment.
The exact calculation depends on your individual weekly benefit amount (WBA), which is set when your claim is established based on your prior wages. States vary in how they treat part-time earnings — some allow a flat deduction, others use a percentage formula — and Illinois has its own specific rules for how wages are offset against benefits.
Reporting earnings accurately is required regardless of how small the amount. Unreported earnings are a common source of overpayments.
Illinois requires most claimants to conduct an active job search each week as a condition of eligibility. During certification, you'll be asked to confirm that you completed the required number of job search activities.
IDES may periodically audit work search records. Claimants are generally expected to keep a log of their contacts — including employer names, dates, positions applied for, and methods of contact — even if IDES doesn't request it every week.
Certain circumstances — such as being in an approved training program, being union-attached, or being on a temporary layoff with a scheduled return date — may modify or waive the standard work search requirement. Whether any of these apply to a given claimant depends on the specifics of their claim and what IDES has approved.
Even if you certify on time and answer every question, payments can be delayed or stopped for several reasons:
| Situation | Likely Effect |
|---|---|
| Employer files a protest or objection | Claim goes into adjudication; payment may pause |
| Certification answers trigger a review | Issue flagged; payment held pending resolution |
| Missed certification week | That week's benefits typically not recoverable |
| Reported earnings above weekly threshold | Partial or no payment for that week |
| Failure to meet work search requirement | Potential disqualification for that week |
Adjudication is the process IDES uses when a question about eligibility arises — either from your certification answers, an employer challenge, or a discrepancy in your records. While a claim is in adjudication, payments are typically held until the issue is resolved.
If your situation changes — you return to full-time work, you start a new job, you become unavailable for work due to illness or travel, or your benefit year ends — your certification answers should reflect that accurately. Some claimants continue certifying when they've already returned to work, which creates overpayment liability.
Your benefit year in Illinois is the 52-week period during which you can draw from your established claim. If you exhaust your benefits before the year ends, or if the year ends before you exhaust them, the rules for continuing, reopening, or filing a new claim are distinct situations that IDES handles separately.
How certification plays out — whether payments flow smoothly, get interrupted, or require additional documentation — depends on your individual work history, the nature of your separation, whether your employer has responded to your claim, and how you answer each week's questions. Illinois's rules govern the process, but the outcomes are shaped by the specific facts of each claim.