Illinois form 45 2026

1. Click ‘Get Form’ to open Illinois Form 45 in the editor.
2. Begin by entering the Employer's FEIN and the date of the report at the top of the form. Ensure all information is typed clearly.
3. Fill in the case or file number and indicate if this is a lost workday case by selecting 'Yes' or 'No'.
4. Provide the employer's name, doing business as (DBA), mailing address, email address, nature of business, and SIC code.
5. Next, enter details about the employee including their full name, birthdate, mailing address, email address, gender, marital status, job title or occupation, average weekly wage, and dates related to employment and accident.
6. Describe the accident by detailing what the employee was doing when it occurred, how it happened, and listing any injuries sustained.
7. Complete sections regarding medical treatment received by providing physician details and indicating if emergency treatment was necessary.
8. Finally, ensure that the report is prepared by signing it and providing your title and contact information before submitting it to the Illinois Workers' Compensation Commission.

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