2025 Session Last amended: 1992 session

§ 336.4-406 — Customer's Duty to Discover and Report Unauthorized Signature or Alteration

Plain-Language Summary

A customer must examine their bank statements promptly and report unauthorized signatures or alterations. A customer who fails to report within 30 days of receiving the statement cannot assert the forgery against the bank for items paid in good faith. The customer must report within one year for unauthorized signatures and within three years for alterations.

Practical Notes
Check your bank statements promptly. If you do not report forged or altered checks within 30 days, you may lose your right to complain.