N.J. Stat. § 46:38-29
An issuer, transfer agent, bank, life insurance company, broker or other person acting on the instructions of or otherwise dealing with any person purporting to act as a donor or custodian (a) is not responsible for determining whether the person designated by the purported donor or by the custodian purporting to act as custodian has been duly designated or whether any purchase, sale or transfer to or by, or any other act of, any person purporting to act as custodian is in accordance with or authorized by this act; (b) is not obliged to inquire into the validity or propriety under this act of any instrument or instructions executed or given by a person purporting to be a donor or custodian; and (c) is not bound to see to the application, by any person purporting to be a custodian, of any money or other property paid or delivered to him. An issuer, transfer agent, bank, life insurance company, broker or other person acting on any instrument of designation of a successor custodian, executed as provided in this act by a minor to whom a gift has been made in the manner prescribed in this act and who has attained the age of 14 years, is not responsible for determining whether the person designated by the minor as successor custodian has been duly designated, nor obliged to inquire into the validity or propriety under this act of the instrument of designation.
N.J.S. § 46:38-29