Section 8505.9.

Cal. Business and Professions Code - BPC § 8505.9.
in effect
Sign in to generate a plain English summaryAsk Belisarius Agent
Prior to the commencement of fumigation, warning signs shall be posted in plainly visible locations on or in the immediate vicinity of all entrances to the space under fumigation and shall not be removed until fumigation and ventilation has been completed, and the premises safe for reoccupancy. Ventilation shall be conducted with due regard for the public safety.
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