No direction or authority by a party to a sheriff in respect to the execution of process or return thereof, or to any act or omission relating thereto, shall discharge or excuse the sheriff from liability for neglect or misconduct, unless in writing and signed by the party or his attorney.
A.R.S. § 11-450
Effect of directions of party upon liability of sheriff in execution of process
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.