38-446. Acts based on written opinions; immunity Notwithstanding any provision of law to the contrary, no public officer or employee is personally liable for acts done in his official capacity in good faith reliance on written opinions of the attorney general issued pursuant to section 41-193, written opinions of a county attorney of the county, written opinions of the city or town attorney of the city or town or written opinions of any authorized private attorney for any independent public retirement trust fund or system for which the officer or employee serves or is employed.
Arizona Legal Code