Cal. Health & Saf. Code § 1797.85 : CALIFORNIA HEALTH AND SAFETY CODE — EMERGENCY MEDICAL SERVICES — DEFINITIONS — "Exclusive operating area" defined TEXT PDF "Exclusive operating area" means an EMS area or subarea defined by the emergency medical services plan for which a local EMS agency, upon the recommendation of a county, restricts operations to one or more emergency ambulance services or providers of limited advanced life support or advanced life support. Ca. Health and Saf. Code § 1797.85 Added by Stats. 1984, Ch. 1349, Sec. 2.