How do I file a Form DWC-1 to start my workers' compensation claim in California?

To start your workers' compensation claim, you must report your injury to your employer, complete the "Employee" section of the DWC-1 Claim Form they provide, and return it to them. The act of returning the completed form to your employer officially files your claim. Here are the steps to properly file your DWC-1 form: Step 1: Report Your Injury to Your Employer You must notify your supervisor, manager, or human resources department of your injury as soon as possible. While you should do this immediately, California law requires you to provide notice within 30 days of the injury (California Labor Code § 5400). Step 2: Obtain the DWC-1 Claim Form Your employer is legally required to give or mail you a DWC-1 Claim Form within one working day after learning about your injury. If they fail to provide it, you can download the form from the California Division of Workers' Compensation (DWC) website. Step 3: Complete the Employee Section of the Form Carefully fill out lines 1 through 8. This includes your name, address, the date and time of the injury, the address where the injury occurred, and a description of the injury and the body parts affected. Be as accurate as possible. Step 4: Sign and Date the Form Sign and date the form on line 9. Keep a copy for your personal records before you return it. This copy is your proof of filing. Step 5: Return the Form to Your Employer Give the signed form back to your employer in person, or send it via certified mail to have proof of delivery. Your employer will then complete their section and submit it to their insurance carrier. This officially begins the claims process. Important Considerations: Filing the DWC-1 form triggers the insurance company's obligation to authorize medical treatment while they investigate your claim. The statute of limitations for filing a case with the Workers' Compensation Appeals Board is generally one year from the date of injury (California Labor Code § 5405), so do not delay. Note: Be honest and accurate when describing your injury. Providing false information can result in criminal penalties. Failing to report your injury or return the DWC-1 form promptly can cause delays or jeopardize your right to benefits. This is general information and does not constitute legal advice. For complex situations, or if your claim is denied or delayed, you should consult with a qualified California workers' compensation attorney.
Disclaimer: This information is for general guidance only and should not be considered as legal advice. Please consult with a qualified attorney for specific legal matters.
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Updated: August 14, 2025
Employment Law

Worker rights, wages, and employment regulations

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