Cal. Health and Safety Code § 1797.85 : California Health And Safety Code — Emergency Medical Services — Definitions — "Exclusive operating area" defined Date: 15 Sep 2016 TEXT PDF Current through the 2016 Legislative Session "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