Cal. Unemp. Ins. Code § 1337

The decision of the appeals board on an appeal from the decision of an administrative law judge must be rendered within 60 days after the submission of the appeal unless the board requires the taking of further evidence. If the appeals board requires the taking of further evidence, the hearing shall be commenced within 60 days after the submission of the appeal, and the decision of the board shall be mailed within 60 days after completion of the hearing.