What Is California Labor Code §3854: Evidence of Compensation Paid?

If the action is prosecuted by the employer alone, evidence of any amount which the employer has paid or become obligated to pay by reason of the injury or death of the employee is admissible, and such expenditures or liability shall be considered as proximately resulting from such injury or death in addition to any other items of damage proximately resulting therefrom.

What does Labor Code 3854 actually say?

It lets the employer's own paid or owed compensation count as evidence and as damages, but only in a case the employer prosecutes by itself.

Most third-party cases are filed by the injured worker. Labor Code 3854 covers a different situation: one where the employer, often through its insurer, brings the case alone. The law says the court may admit evidence of what the employer paid or became obligated to pay because of the injury or death. It also says that amount counts as part of the damages, alongside any other losses the case seeks. The rule applies to any employer prosecuting this kind of case alone. It does not apply the same way once the worker is also a plaintiff.

When does this evidence rule come into play in a real claim?

It comes up when the employer's insurer, not the worker, is the one suing the outside party who caused the injury.

Picture a worker hurt by a defective piece of equipment made by another company. The worker focuses on the workers' compensation claim and has not yet sued the equipment maker. The employer's insurer decides to sue that company on its own to recover what it already paid. Labor Code 3854 applies to that case. The insurer can offer evidence of the benefits it paid or still owes, and that amount is treated as part of the damages the lawsuit is trying to recover.

Why would an employer sue a third party alone instead of the worker?

Often to protect its own right to be paid back, especially if the worker has not filed a civil case yet.

Labor Code 3852 gives both the worker and the employer their own right to sue an outside party for the same injury. If the worker has not filed a case, or has not acted yet, the employer can still move forward alone to recover what it paid. Labor Code 3853 requires whichever side sues first to notify the other side with a copy of the complaint. That means a worker should learn about an employer-only suit fairly quickly, and can then join it or file a separate case to be consolidated with it.

Does this rule change how much the worker can receive?

No. Labor Code 3854 is a rule about evidence, not a rule about dividing money.

This section only decides what the court may treat as evidence and as damages when the employer sues alone. It does not decide who gets paid first, or how much the worker ultimately receives. That division happens separately, mainly under Labor Code 3856. Labor Code 3854 simply keeps the employer's own expenditures from being left out of the damages picture when the employer, rather than the worker, is the one proving the case.

How does Labor Code 3854 connect to the rest of the third-party chapter?

It sits between the right to sue and the rule that divides the money, filling a narrow evidence gap for employer-only cases.

Labor Code 3852 gives the worker and the employer their own right to sue an outside party. Labor Code 3853 requires notice between the sides and allows one to join or consolidate with the other. Labor Code 3854 fills a narrow gap for cases the employer prosecutes alone, so its own paid or owed compensation still counts toward the damages. Once a judgment or settlement follows, Labor Code 3856 takes over and divides the money: costs and fees first, then the employer's reimbursement, then the worker. For why a civil case can be worth pursuing at all, see our third-party work injury guide.

What should an injured worker do if the employer already sued alone?

Find out about the case quickly, decide whether to join it, and keep your own records either way.

You are supposed to receive a copy of the complaint once your employer or its insurer files a third-party case without you. After that, you can join the case as a plaintiff, or file your own case and ask the court to consolidate the two before trial. Either path can affect what you recover beyond workers' compensation, including losses the comp system does not pay, such as pain and suffering. Keep your own injury records, your compensation payment history, and any notice about the civil case, and ask about your options early.

If your employer or its insurer has filed, or might file, a third-party case over your work injury, or you are not sure what Labor Code 3854 means for your own damages, Yazdchi Law P.C. reviews each case individually. Call (661) 273-1780 or use the contact form to go over your options for joining or pursuing that case.