Any document that a party proposes to offer into evidence at a trial shall be filed with the Workers' Compensation Appeals Board at least 20 days prior to the trial unless otherwise ordered by the Workers' Compensation Appeals Board.
Cal. Code Regs. Tit. 8, § 10620
Note: Authority cited: Sections 133, 5307, 5309 and 5708, Labor Code. Reference: Sections 126, 5316, 5500, 5501 and 5813, Labor Code.