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✦ Certified Specialist in Workers’ Compensation Law — Certified by the State Bar of California, Board of Legal Specialization ✦
By Eman Yazdchi, Esq. · Certified Specialist in Workers' Compensation Law, State Bar of California Board of Legal Specialization · Cal Bar #285231
An appeal-stage worker has 20 days for the Petition for Reconsideration (25 by mail) and 45 days for the Writ of Review. In Inglewood, the underlying ruling comes from the Los Angeles WCAB and the Petition is e-filed through EAMS the day the order arrives. Certified Specialist Eman Yazdchi (California Board of Legal Specialization, State Bar of California) drafts the Petition and preserves the writ.
An adverse decision from WCAB Los Angeles — the district office with venue over Inglewood, the South Bay city anchored by SoFi Stadium of Los Angeles County — is not the end of the case. Labor Code §5900 — the formal petition asking the appeals board to reconsider the trial judge's ruling gives an aggrieved party the right to petition the Appeals Board for reconsideration of a final order, decision, or award; §5903 — the six specific legal grounds a Petition for Reconsideration can succeed on fixes the filing window at 25 days from service by mail (20 days if the decision was served electronically); and §5950 — the writ of review to the California Court of Appeal preserves the further right to seek a writ of review in the California Court of Appeal. Yazdchi Law Group attorney Eman Yazdchi is a State Bar of California Certified Specialist in Workers' Compensation Law (California Bar #285231) — a credential granted by the California Board of Legal Specialization (CBLS) of the State Bar of California, administered by the State Bar Legal Specialization (SBLS) program, a credential held by under 1% of California attorneys. Call (661) 273-1780 for a Certified Specialist (California Board of Legal Specialization, State Bar of California) review of the F&A, F&O, or Order before the §5903 clock runs out — missed appeal deadlines are not curable.
A verified petition naming one of the five statutory reconsideration grounds, citing the trial record, and requesting the alternative ruling the worker needs.
California workers' compensation appeals follow a two-tier structure. First-tier review is at the Workers' Compensation Appeals Board itself, through a Petition for Reconsideration under Labor Code §5900. Second-tier review is at the California Court of Appeal, through a Petition for Writ of Review under §5950. The §5903 deadline is jurisdictional and runs from service of the WCAB Los Angeles decision — calendar it the day the Findings and Award is served, not the day you read it.
§5900 authorizes any aggrieved party to petition for reconsideration of a final order, decision, or award of a workers' compensation judge. The grounds are statutorily fixed: the Appeals Board acted without or in excess of its powers; the order was procured by fraud; the evidence does not justify the findings of fact; the petitioner has discovered new evidence material to the case, which could not, with reasonable diligence, have been discovered and produced at the hearing; or the findings of fact do not support the order, decision, or award. A bare disagreement with the workers' compensation judge is not §5900 grounds, and Petitions that read as re-argument of trial issues are denied on summary review without reaching the merits.
§5903 is the deadline. The Petition for Reconsideration must be filed within 25 days from the date of service of the decision when service is by mail, or 20 days when service is electronic. These §5903 deadlines are jurisdictional — the Appeals Board has no power to extend them by stipulation, by the workers' compensation judge, or by an act-of-God showing. The §5903 Petition must specifically identify each ground under §5900 and cite the trial record in support; a verified petition is required under §5903, and failure to verify is grounds for summary denial. A Certified Specialist (California Board of Legal Specialization, State Bar of California) drafts the §5903-timely §5900 petition with cited record references on every factual assertion.
§5950 governs the next step. After the Appeals Board denies reconsideration (or grants reconsideration and issues a new decision), an aggrieved party has 45 days to petition the California Court of Appeal for a writ of review. Writ review under §5950 is discretionary — the Court of Appeal grants writs in a small fraction of WCAB cases, typically only where the case presents a published-opinion-worthy legal issue. According to the California DWC 2024 Annual Report, the Reconsideration Unit issues thousands of §5900 decisions per year, the majority denying reconsideration on the merits — making the §5903-timely petition the realistic appellate forum for most Inglewood cases. The WCIRB 2024 data confirms that represented claims at WCAB Los Angeles achieve materially better outcomes both at trial and on §5900 review. The §5903 verification, the §5900 ground-citation, and the record citations the petition must make are technical exercises a Certified Specialist (California Board of Legal Specialization, State Bar of California) executes routinely; the §5950 writ posture is preserved by the §5900 record built inside the §5903 window — a one-day-late §5903 filing forecloses both Appeals Board review and §5950 Court of Appeal review for Inglewood workers permanently.
Related on yazdchilaw.com: California workers' comp appeal pillar guide · Hawthorne workers' comp appeal · Westchester workers' comp appeal · Inglewood workers' comp lawyer · California Labor Code §5903 (Petition for Reconsideration deadline).
Three deadlines drive every California workers' comp appeal: 20 days (electronic) or 25 days (mail service) for a §5900 Petition for Reconsideration; 30 days for a §4610.5 IMR appeal of a Utilization Review treatment denial; 25 days from the reconsideration denial for a §5950 Writ of Review to the California Court of Appeal.
Under California Labor Code §5903 a Petition for Reconsideration must rest on one of six specific grounds — (a) the appeals board acted without or in excess of its powers; (b) the order, decision, or award was procured by fraud; (c) the evidence does not justify the findings of fact; (d) the petitioner discovered new evidence that could not, with reasonable diligence, have been produced at hearing; (e) the findings of fact do not support the order, decision, or award; (f) any other matter required by law. A verified Petition for Reconsideration must be signed under penalty of perjury and served on every party and lien claimant on the same day it is filed with the appeals board.
The Petition is filed at the Los Angeles WCAB district where the underlying Workers' Compensation Judge (WCJ) ruling was issued, then transmitted to the seven-member Workers' Compensation Appeals Board in San Francisco for review. After filing, the assigned trial-WCJ prepares a Report and Recommendation on Reconsideration; the appeals board then issues a written decision either granting the petition (which usually orders a rehearing on a defined issue, sometimes en banc) or denying it. If the petition is denied, the only remaining remedy is a §5950 Writ of Review to the California Court of Appeal — a discretionary writ the court may grant or summarily deny within 60 days.
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Tap to call →Los Angeles WCAB e-filing through EAMS, the California Court of Appeal for writ review, and Yazdchi Law's no-cost Inglewood case review by phone.
§5900 applies to final orders, decisions, and awards — including Findings and Awards (F&A), Findings and Orders (F&O), Orders Approving Compromise and Release under §5001, and post-trial orders on penalties, costs, and interest. Interlocutory orders are generally not appealable under §5900; a different procedural vehicle applies for non-final orders at WCAB Los Angeles. A Certified Specialist (California Board of Legal Specialization, State Bar of California) will identify whether the order in front of you is final under §5900 or interlocutory — the wrong call burns 25 days you will not get back.
25 days from the date of service of the WCAB Los Angeles decision when service is by mail; 20 days when service is electronic. The 25-day mail window and 20-day electronic window under §5903 are jurisdictional and not extendable by stipulation, by the Appeals Board, or by the workers' compensation judge. Calendar the §5903 deadline the day the decision is served — not the day it arrives in the mail and not the day you read it.
Yes, but only after the Appeals Board acts on §5900 reconsideration. §5950 sets a 45-day window from the Appeals Board's order on reconsideration. The Court of Appeal grants §5950 writs of review in a small minority of cases — the §5903-timely §5900 petition is where the realistic appellate work happens for most WCAB Los Angeles disputes, and a Certified Specialist (California Board of Legal Specialization, State Bar of California) drafts the §5900 petition with §5950 review in mind so the record is preserved if the case reaches the Court of Appeal. The §5950 Court of Appeal docket out of WCAB Los Angeles decisions feeds into the California Second District Court of Appeal in most cases, and the §5950 brief must lock onto a published-opinion-worthy issue to clear the writ-grant threshold.
Last reviewed by Eman Yazdchi, Esq., June 2026.
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