Section 1297.125.

Cal. Code of Civil Procedure - CCP § 1297.125.
in effect
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A party may challenge an arbitrator appointed by it, or in whose appointment it has participated, only for reasons of which it becomes aware after the appointment has been made.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

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