Cal. Health & Safety Code § 111822.5
A manufacturer that protects an intentionally added ingredient, including a fragrance ingredient, or combination of intentionally added ingredients pursuant to the Uniform Trade Secrets Act (Title 5 (commencing with Section 3426) of Part 1 of Division 4 of the Civil Code) shall maintain justification for protecting confidential business information consistent with the requirements of the act and provide that justification on request for audit by the Attorney General.