Section 710.

Cal. Evidence Code - EVID § 710.
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
Every witness before testifying shall take an oath or make an affirmation or declaration in the form provided by law, except that a child under the age of 10 or a dependent person with a substantial cognitive impairment, in the court’s discretion, may be required only to promise to tell the truth.
Source: CA Legislative Counsel Bulk DataURL: https://downloads.leginfo.legislature.ca.gov/pubinfo_2025.zipFetched: 6/27/2026

Starting a business in California? California LLC guide: costs and requirements