Section 6631 Of Chapter 7. Appeal Proceedings From California Labor Code >> Division 5. >> Part 1. >> Chapter 7.
6631
. The provisions of the Code of Civil Procedure relating to
writs of mandate shall, so far as applicable, apply to proceedings in
the courts under the provisions of this part. A copy of every
pleading filed pursuant to the terms of this part shall be served on
the appeals board and upon every party who entered an appearance in
the action before the appeals board and whose interest therein is
adverse to the party filing such pleading.