Montana Title 31. Credit Transactions and Relationships § 31-1-116. Commercial loans--when written agreement required

(1) With respect to a commercial loan, a contract action or a breach of contract action may not be brought against a regulated lender on a promise or commitment that is not in writing where the promise or commitment is to:

(2) For the purposes of this section, “commercial loan” means money loaned or credit extended primarily for commercial or business purposes, in excess of $100,000, and does not include money lent or credit extended for personal, family, or household purposes and also does not include charge or credit card accounts, personal lines of credit, personal overdraft accounts, or other consumer accounts.