Labor Code 3550 Employer Posting Requirements

The required poster must be easy to see, easy to read, and useful to workers who need claim and treatment information.

Why the Posting Rule Exists

A worker should not have to guess how to report a job injury. The posting rule gives basic information before a claim starts. It tells employees who insures the employer, where claims go, and how workers can learn more.

The notice must be kept posted. That means it should stay current. Old carrier names, hidden notices, missing Spanish text, or break-room papers covered by other signs can create problems.

The statute is practical. It is designed for the workday. The employee must be able to read the information when it is needed.

Required Topics

The poster must explain emergency medical treatment, covered job injuries and illnesses, and the right to receive medical care. It must also explain doctor-choice rules under California workers' compensation law.

The poster must name possible benefits. These can include temporary disability, permanent disability, supplemental job displacement benefits, and death benefits. It must tell workers who should receive injury reports and warn that time limits apply.

The poster must give contact information for more help. That includes the nearest Information and Assistance officer. It must also tell employees they may speak with a licensed attorney about their rights.

When the Poster Is Missing or Wrong

A posting failure can affect a claim file. The law treats a failure to keep the notice posted as a misdemeanor and initial evidence of no insurance.

The failure can also affect treatment. If the employer did not provide the required notice, a worker injured during that time may be allowed to use a personal physician.

Posting facts should be documented. A worker can save photos of the work area, texts about reporting injuries, handbooks, onboarding papers, and any carrier information the employer did provide.

Examples of Useful Proof

A worker can document a posting issue without arguing at work. Take a clear photo if it is safe and allowed. Save onboarding papers. Keep any text from a supervisor about reporting injuries. Write down where employees usually look for workplace notices.

If the employer later gives a carrier name, save that too. A mismatch between the posted carrier and the claim administrator may explain delay or confusion.

The posting issue should be tied to the claim facts. It matters more when the worker was confused about reporting, sent to the wrong place for care, or never received basic claim information in a language the worker could use.

When the Rule Matters Most

The rule matters most when the missing poster caused real confusion. A worker may not know the carrier name. A supervisor may send the worker away. A claim form may arrive late.

Those facts do not replace medical proof. They help explain why the early claim record looks incomplete or delayed.

A clear timeline helps. Write down the injury date, the first report, the first clinic visit, and when the correct claim information was finally given.

If the poster is later replaced, save the new version too. The change can help show what information was missing before.

Small details can matter.

What to Save

Save photos of the notice area, especially near the time clock, break room, dispatch desk, or shop wall. Save any version of the poster you were given later.

Also save texts, emails, and claim papers that name the carrier or claims office. If the names do not match, that can explain delay or confusion.

California Claim Context

This posting rule applies statewide. It can matter in claims assigned to WCAB offices across Southern California and the rest of the state.

Yazdchi Law reviews whether the posted information was visible, current, bilingual when needed, and consistent with the claim administrator's later position. That review can help with disputes about medical control, notice, and coverage.

Eman Yazdchi is a Certified Specialist in Workers' Compensation Law, California Board of Legal Specialization, State Bar of California. For a California workers' compensation claim review, call (661) 273-1780.