A bank is under no obligation to a customer having a checking account to pay a check, other than a certified check, which is presented more than 6 months after its date, but it may charge its customer's account for a payment made thereafter in good faith.
Mont. Code Ann. § 30-4-404
Bank not obligated to pay check more than 6 months old
Known as the Uniform Commercial Code
The act spans §§ 30–30 (713 sections).
En
Official source: Montana Code Annotated (Montana Legislature). Reproduced from public-domain Montana statutes; confirm against the official source for the current text. Not legal advice.