What Certification Means and Why You Do It Every Week

Certification is your weekly statement to the Illinois Department of Employment Security (IDES) that you remain unemployed and still meet the program's requirements. You must certify every week to keep receiving payments — missing even one week can pause your benefits until you catch up.

When you certify, you confirm that you have not worked, that you are actively searching for work, and that nothing has changed about your situation that would disqualify you. IDES uses this information to process your payment for that week. If you do not certify by the important date, IDES will not pay you for that week, even if you were otherwise may have access to to it.

Illinois requires certification every seven days, and the important date depends on the first letter of your last name. The state splits filers into groups so their system does not get overwhelmed on a single day. You will receive a notice in the mail or through your IDES account telling you which day you must certify by.

Key Takeaways

  • You must certify every week by a important date based on the first letter of your last name, or you will not receive payment for that week.
  • Certification confirms you remain unemployed, are searching for work, and have not had a change in circumstances that affects your claim.
  • You can certify online through your IDES account, by phone through the automated system, or by mail if you cannot use the other methods.
  • If you miss a important date, you can still certify late, but your payment will be delayed until IDES processes the late certification.
  • Lying on your certification — saying you did not work when you did, or hiding income — is fraud and can result in overpayment demands and criminal charges.

How to Certify Online Through Your IDES Account

The fastest and most reliable way to certify is through the IDES website using your account login. Go to www2.illinois.gov/ides, sign in with your username and password, and look for the "Certify" or "Weekly Certification" button. The system will show you your certification important date and walk you through a short form.

The form asks whether you worked during the week, how much you earned if you did work, whether you refused any job offers, and whether anything else changed about your claim. Answer honestly — the system cross-checks your answers against employer reports and other records. Once you submit, you will see a confirmation number. Write it down or take a screenshot.

Online certification usually processes within one business day. If you certify by your important date, your payment typically deposits within three to five business days after that. If the system rejects your certification (usually because of a mismatch in your answers), IDES will send you a notice explaining why and how to fix it.

Certifying by Phone if You Cannot Use the Website

If you do not have internet access or cannot use the online system, you can certify by calling the IDES automated phone line at 1-800-244-5631. The system is available 24 hours a day, seven days a week. Have your Social Security number and PIN ready — IDES sends the PIN to you when your claim is approved.

The automated system will ask you the same questions as the online form: whether you worked, how much you earned, whether you refused work, and whether anything changed. Press the number keys to answer. At the end, the system will give you a confirmation number. Write it down.

Phone certification also processes within one business day if you call by your important date. If you make a mistake during the call, you can call back and certify again — the system will use your most recent certification. Do not hang up before you hear the confirmation number, or IDES may not record your certification.

What Happens If You Miss Your important date

If you do not certify by your important date, IDES will not pay you for that week. Your claim does not close — you can still certify late — but your payment will be delayed. Late certifications are processed after on-time ones, so you may wait an extra week or more to receive the payment for the week you missed.

To certify late, use the same online or phone method you would normally use. IDES will accept late certifications for up to two weeks after the original important date. After two weeks, you must contact IDES directly to request a waiver of the important date and explain why you could not certify on time. Waivers are granted in some cases — for example, if you were hospitalized or had a family emergency — but not in others.

If you repeatedly miss important date, IDES may close your claim. You would have to reopen it by contacting the department. It is much easier to certify on time, even if you have to set a phone reminder.

What to Report When You Certify

When you certify, you must report any work you did during the week, even if it was only a few hours or one day. Report the gross amount you earned before taxes. IDES will subtract a portion of your earnings from your weekly benefit amount — this is called the "earnings disregard" — but you must report the full amount first.

You must also report if you refused a job offer, were fired, quit, or had your hours cut. You must report if you started a new job, even if you have not received your first paycheck yet. You must report if you received severance pay, vacation pay, or any other payment from a former employer. You must report if you received workers' compensation, Social Security, or any other government payment.

Do not report money from unemployment itself, tax refunds, loans, gifts, or payments for things you sold. These do not count as income for unemployment purposes. If you are unsure whether something counts, report it anyway — it is better to over-report than to hide income and face fraud charges later.

Common Reasons Certification Gets Rejected or Delayed

IDES rejects certifications most often because your answer does not match what the department already knows about you. For example, if you report that you did not work, but your employer has already reported that you worked and earned $500, the system will flag the mismatch. You will receive a notice asking you to explain the difference or provide proof.

Certification can also be delayed if IDES is investigating your claim — for example, if someone reported that you are working while collecting benefits, or if there is a question about whether you were fired or quit. During an investigation, IDES may hold your payment while they gather information. This can take two to four weeks. You must still certify every week during the investigation, or you will fall further behind.

If your certification is rejected, read the notice carefully. It will tell you exactly what the problem is and what you need to do to fix it. Usually you can call IDES or respond through your online account. Do not ignore the notice — if you do not respond, IDES will deny your claim for that week.

What Happens If You Lie on Your Certification

Lying on your certification is unemployment fraud. The most common lie is saying you did not work when you actually did, or hiding income. If IDES discovers the lie — through employer reports, tax records, or tips from the public — they will demand that you repay all the money you received while lying. This is called an overpayment.

An overpayment can be hundreds or thousands of dollars. IDES will deduct it from your future benefits, or they may send you a bill. If you cannot pay, they can refer the case to the state attorney general's office for criminal prosecution. A fraud conviction can result in fines and jail time.

Even if you think IDES will not find out, report honestly. Employer records are matched automatically now, and tax records are cross-checked. The risk is not worth it. If you made a mistake on a past certification, contact IDES and correct it before they discover it.

Frequently Asked Questions

What if I worked part of the week but not the whole week?

Report the work and the amount you earned. IDES will subtract the earnings disregard (usually $25 per week plus one-third of remaining earnings) from your benefit amount, but you will still receive a partial payment. Working part-time while collecting unemployment is allowed as long as you report it.

Can I certify early, before my important date?

No. IDES will not accept certification until your week begins. Your important date is based on a seven-day period, and you can only certify for the week that has already passed. Trying to certify early will result in an error message.

What if I am sick or out of town on my certification important date?

You can certify from anywhere using the online system or phone line, as long as you have internet or a phone. If you are hospitalized or truly unable to certify, contact IDES as soon as you can and explain. They may grant a waiver, but you must ask — they will not know unless you tell them.

Do I have to report job search activities when I certify?

Illinois does not require you to list specific jobs you applied for during certification. However, you must be actively searching for work to remain on unemployment. If IDES investigates your claim and finds that you have not been searching, they can deny your benefits. Keep records of your job search in case you need to prove it.

What if my certification shows a payment of $0?

This usually means your reported earnings were high enough that they reduced your benefit to zero for that week. You are still required to certify every week, even if you receive no payment. Once your earnings drop or you stop working, your payments will resume the following week.