Section 4989.46.

Cal. Business and Professions Code - BPC § 4989.46.
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
A licensee shall give written notice to the board of a name change, providing both the old and new names. The written notice shall be submitted to the board within 30 days of the issuance of a new government-issued photographic identification. The licensee shall certify the information is correct by signing a statement under penalty of perjury. A copy of both of the following documents evidencing the change shall be submitted with the notice: (a) A current government-issued photographic identification. (b) The legal document authorizing the name change, such as a court order or a marriage certificate.
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