Montana Title 40. Family Law § 40-2-209. Individual property of married person--how far liable

(1) when the debt or liability is for necessary articles procured for the use and benefit of the married person, the spouse, or minor children; or

(2) when the property is in the sole and exclusive possession of the spouse and the creditors have dealt with the spouse in good faith on the credit of the individual property without knowledge that the property does not belong to the spouse.