A. Any county, city, or town may provide emergency medical services to its citizens by (i) establishing an emergency medical services agency as a department of government pursuant to § 32.1-111.4:6 or (ii) contracting with or providing for the provision of emergency medical services by an emergency medical services agency established pursuant to § 32.1-111.4:7.
B. In cases in which a county, city, or town elects to contract with or provide for emergency medical services by an emergency medical services agency pursuant to clause (ii) of subsection A, the emergency medical services agency shall be deemed to be an instrumentality of the county, city, or town and, as such, exempt from suit for damages done incident to the provision of emergency medical services therein unless the emergency medical services agency is a private, for-profit emergency medical services agency.