Business and Professions Code § 8505.7

The space to be fumigated shall be vacated by all occupants prior to the commencement of fumigation, and all entrances thereto shall be locked, barricaded, or otherwise secured against entry until the end of exposure period, then opened for ventilation and relocked, barricaded, or otherwise secured against re-entry, until declared by the licensee exercising direct and personal supervision over the fumigation to be safe for reoccupancy.