Versions of New Jersey Statutes 12A:4-406. Customer\'s duty to discover and report unauthorized signature or alteration on LawServer 2024 New Jersey Statutes 12A:4-406. Customer’s duty to discover and report unauthorized signature or alteration 2023 New Jersey Statutes 12A:4-406. Customer’s duty to discover and report unauthorized signature or alteration 2022 New Jersey Statutes 12A:4-406. Customer’s duty to discover and report unauthorized signature or alteration 2020 New Jersey Statutes 12A:4-406. Customer’s duty to discover and report unauthorized signature or alteration 2014 New Jersey Statutes 12A:4-406. Customer’s duty to discover and report unauthorized signature or alteration 2013 New Jersey Statutes 12A:4-406. Customer’s duty to discover and report unauthorized signature or alteration