If an individual is physically unable to sign a record, the individual may direct an individual other than the notarial officer to sign the individual's name on the record. The notarial officer shall insert "Signature affixed by (name of other individual) at the direction of (name of individual)" or words of similar import.
A.R.S. § 41-257
Signature if individual unable to sign
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.