What Is California Labor Code §5952: Scope of Court Review?

The review by the court shall not be extended further than to determine, based upon the entire record which shall be certified by the appeals board, whether: (a) The appeals board acted without or in excess of its powers.

What Does Labor Code 5952 Actually Let a Court Review?

It limits the Court of Appeal to five specific legal questions about a Workers' Compensation Appeals Board decision, not a fresh look at the whole case.

Once the board rules on reconsideration, a party who disagrees can ask that same court for review under Labor Code 5950. Labor Code 5952 then sets the outer edge of what the court can do with that request. Section 5952 reaches any party to a workers' compensation case, an injured worker, an employer, or an insurer, who challenges a WCAB decision in the state appellate court.

What Five Things Can a Court Actually Review Under Section 5952?

The statute lists five specific legal problems, and the court looks only for those.

• Whether the Appeals Board acted without power or went beyond the power it has
• Whether the order, decision, or award was procured by fraud
• Whether the order, decision, or award was unreasonable
• Whether the order, decision, or award is backed by substantial evidence
• Whether the board's own findings of fact actually support the order, decision, or award

Any one of these five can support annulling a decision. None of them ask the court whether it personally would have ruled the same way.

What Can't the Court Do Under Labor Code 5952?

The court cannot hold a new trial, hear new witnesses, or simply substitute its own view of the evidence.

The statute says so directly: nothing in it lets the court hold a trial de novo, take evidence, or exercise independent judgment on the evidence. That keeps the reviewing court in a checking role. It reads the certified record, measures it against the five grounds above, and rules. It does not conduct its own medical exam or call its own witnesses.

How Does Section 5952 Connect to the Rest of the Appeal Ladder?

It is the middle step: after the record is set and before the court decides what to do with the case.

The ladder usually starts with a petition for reconsideration to the Appeals Board. Once that step ends, Labor Code 5950 gives a party 45 days to seek review in that court. Labor Code 5951 then limits the court to the certified record built at the WCAB, so our guide to the record rule covers what goes into that file. Section 5952 takes over from there and supplies the actual checklist the court uses. What the court can then do with the case, affirm it, annul it, or send it back, is set out in Labor Code 5953.

What Does "Substantial Evidence" Mean in This Kind of Appeal?

It asks whether the record has real, reasonable support for the board's decision, not whether every detail is perfect.

This ground looks at the whole certified record: the medical-legal reports, the hearing testimony, and the board's own findings. If a reasonable person could reach the board's conclusion from that record, the decision usually stands on this ground even if another conclusion was also possible. A gap in the medical evidence, or a finding with no record support at all, is what this ground is built to catch.

What Should You Save If You're Heading Toward a Writ of Review?

Save the specific proof that lines up with one of the five grounds, not just a general file of paperwork.

Start with the board's written decision and ask which ground actually fits your situation. A claim of fraud needs the specific facts and documents showing it. A substantial-evidence argument needs the medical-legal reports and testimony the board should have weighed but did not. An excess-of-power argument needs the part of the record showing what the board was and was not allowed to do. A lawyer can help sort the record into the ground it actually supports before the 45-day clock runs out.

If you are weighing a writ of review after a reconsideration decision, Yazdchi Law P.C. can go over the record from its Palmdale office and help you see whether one of these five grounds fits. Call (661) 273-1780 or use the contact form. The firm reviews each matter individually and serves injured workers across California.