{"data":{"id":"us-gu/13-gca-3406","jurisdiction":"us-gu","citation":"13 GCA § 3406","heading":"Negligence Contributing to Alteration or Unauthorized","body":"Signature.\nAny person who by his negligence substantially contributes to a material alteration of the instrument or to the making of an unauthorized signature is precluded from asserting the alteration or lack of authority against a holder in due course or against a drawee or other payor who pays the instrument in good faith and in accordance with the reasonable commercial standards of the drawee's or payor's business.","path":["Title 13: Uniform Commercial Code","Division 3: Commercial Paper","CHAPTER 4: LIABILITY OF PARTIES"],"source_url":"https://col.guamcourts.gov/sites/default/files/13gdv003.pdf","current_through":"P.L. 38-133 (June 4, 2026)","vintage":"","retrieved_at":"2026-09-27T03:27:58Z","sha256":"ac16f0f119467abeb0c8cfaafbddc94c08540bbf70b4d9de178cc9bfab22f84c","source_id":"us-gu","stale":false,"prev":"us-gu/13-gca-3405","next":"us-gu/13-gca-3407"},"notice":"GroundRules: Original legal text. Not legal advice."}