Cal. Health & Saf. Code § 18947
Where the appeal issue results from the enforcement of a standard for occupational safety and health by an inspector of the Division of Occupational Safety and Health of the Department of Industrial Relations, the employer shall appeal directly to the Occupational Safety and Health Appeals Board, and the appeal shall be conducted pursuant to the provisions of Chapter 7 (commencing with Section 6600) of Part 1 of Division 5 of the Labor Code. Such an appeal, if sent to the commission in error, shall be forwarded immediately to the Occupational Safety and Health Appeals Board. The date of receipt of any such appeal by the commission shall be considered the date of filing for purposes of meeting the filing time requirements of Section 6600 of the Labor Code.
Ca. Health and Saf. Code § 18947