Cal. Health & Safety Code § 117895

Registration pursuant to this part shall allow a small quantity generator to generate medical waste at temporary events, including, but not limited to, health fairs, vaccination clinics, and veteran stand downs, without further registration or permitting required. The small quantity generator shall notify the local enforcement agency of their intended participation in a temporary event at least 72 hours before the event, unless the sponsor of the temporary event previously notified the local enforcement agency of the event.