If the happening of an event, including marriage, divorce, performance of educational requirements or death, affects the administration or distribution of a trust, a trustee who has exercised reasonable care to ascertain the happening of the event is not liable for a loss resulting from the trustee's lack of knowledge.
A.R.S. § 14-11007
Event affecting administration or distribution
Official source: Arizona State Legislature. Reproduced from public-domain Arizona statutes; confirm against the official source for the current text. Not legal advice.