Mont. Code § 71-3-711
Any person, company, association, or corporation which shall furnish to another hail insurance for the purpose of protecting the party's crop from damage by hail during the hail season of the then-growing or seeded crop, whether the crop be on the land owned or contracted to be purchased, used, leased, occupied, or rented by the insured or held under government entry, shall, upon filing the statement provided for in 71-3-712, have a lien, subject to any seed lien that may then or thereafter be placed on record against the crop, for the amount due the person, company, association, or corporation furnishing the hail insurance from the insured so protected, whether it be on a note given, open account, or assessment, due or to become due, for the current year's protection, upon the crop produced on the land so protected or any part thereof and upon the seed or grain threshed from such crop to secure the payment of the amount due or the assessment levied against the insured for the insurance provided.
§ 71-3-711, MCA