Arizona Revised Statutes Title 6. Banks and Financial Institutions § 6-432. Effect of payment to minor or fiduciary

A. Unless the written agreement provides otherwise, or unless the association has had written notice of the terms under which a fiduciary holds an account, the association may pay the value thereof and dividends thereon:

B. In each of the foregoing instances the receipt or acquittance of the person or persons to whom payment is made in accordance with the provisions of this section shall be a complete discharge of the association's obligation as to the amount so paid.