If, through the ongoing application of a security procedure, it can be demonstrated that an electronic record signed by a secure electronic signature has remained unaltered since a specified time, the record is a secure electronic record from that time of signing forward.
A.R.S. § 44-7032
Secure electronic records
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.