In lieu of soliciting bids, the council may purchase at public auction any vehicle, machinery, appliances, apparatus, building, or materials and supplies for which must be paid a sum of $50,000 or less.
Mont. Code Ann. § 7-5-4310, under Municipal Contracts and Franchises.
Mont. Code Ann. § 7-5-4310
In lieu of soliciting bids, the council may purchase at public auction any vehicle, machinery, appliances, apparatus, building, or materials and supplies for which must be paid a sum of $50,000 or less.