Do rules of pleading apply in arbitrations in California?

In California, the rules of pleading do not strictly apply in arbitrations as they do in formal court proceedings. Arbitration is generally more flexible and less formal, allowing parties to present their cases without the constraints of traditional pleading requirements. However, arbitrators may still require certain procedural submissions, and parties must adhere to the arbitration agreement and any applicable procedural rules established by the arbitration institution or agreed upon by the parties.