Skip to content

Workers' Compensation

What Happens If I Do Not Report a Work Accident?

RCK Law Firm July 27, 2025 4 min read

Not every workplace injury announces itself. Sometimes you feel a twinge lifting a box and assume it will pass. Sometimes a repetitive strain builds so gradually that you cannot name the day it started. Whatever the situation, reporting the injury to your employer matters, and in Illinois there is a deadline you cannot afford to miss.

The 45-Day Rule

Illinois law generally requires you to notify your employer of a work injury within 45 days of the accident. This is one of the most important deadlines in the entire workers’ compensation system. If you wait too long, your employer and its insurer can argue that you failed to give proper notice, and that alone can be grounds to deny your claim.

For injuries that develop over time, such as carpal tunnel or a back condition from repeated lifting, the clock generally starts when you knew, or should have known, that the condition was related to your work. Even so, the safest course is to report as soon as you connect the problem to your job.

Why Delay Is Risky

Beyond the legal deadline, waiting to report creates practical problems:

  • It gives the insurer room to claim the injury happened somewhere other than work.
  • It creates gaps between the accident and your first medical treatment.
  • Memories fade and witnesses become harder to track down.

The longer the gap between the injury and the report, the more skeptical an insurer tends to be, even when your claim is completely legitimate.

How to Report the Right Way

Tell your supervisor or employer in writing whenever possible. Note the date, the time, how the injury happened, and what part of your body was affected. Keep a copy for yourself. A verbal heads-up in the hallway is easy for an employer to later deny, but a written report or an email creates a record that protects you.

If you missed the deadline or your employer is telling you it is too late, do not assume your case is over. The rules have nuance, and there may be more options than you think. We offer a free consultation and can tell you honestly where your claim stands.

This article is general information, not legal advice. For guidance on your specific situation, speak with an attorney.

Free Consultation

Injured and not sure where to turn?

Talk to a lawyer today. Consultations are free, and you owe us nothing unless we recover for you.