Incorporated cities and towns are authorized to enter into contracts and mutual aid agreements with other incorporated cities and towns, with counties, with private incorporated fire departments, with utility districts that provide firefighting service, with metropolitan airport authorities that provide firefighting service, and with industrial fire departments to furnish one another assistance in fighting fires. […]
In authorizing or permitting its fire department to answer calls outside the corporate limits as authorized in this part, and in answering such calls, the city or town and its officers and employees shall be considered as acting in a governmental capacity.
Any officer or employee of a fire department of an incorporated city or town, while engaged in any duty or activity in connection with this part or pursuant to orders or instructions from such person’s officers or superiors, shall be entitled to all rights, privileges, exemptions and immunities as if such duty or activity were […]