Mont. Code Ann. § 81-8-302

The notices must consist of a statement showing the date of security agreement; the names and addresses of the debtors and secured parties or holders and owners of the security agreement; a description of the livestock covered by the security agreement; in the case of a notice of renewal, the date of renewal; in the case of a notice of assignment of a security interest, the date of the assignment, a description of the security agreement to which the assignment is made, and the parties to the assignment; and any additional information that is required by the department. The notice of security agreement must be signed by the affected debtor or proper legal authority.