Mont. Code Ann. § 17-6-804
17-6-804 Eligibility -- priority
17-6-804 . Eligibility -- priority. (1) For the costs of an infrastructure project to be eligible to be paid by the proceeds of a loan or bonds or other securities of an eligible government unit as defined in 17-5-1604 , the infrastructure project must provide for residential development at a minimum gross density of 10 units for each acre.
(2) General fund transfers in the account created in 17-6-801 pursuant to section 4, Chapter 684, Laws of 2025, may be used for eligible infrastructure projects for residential development at a minimum gross density of three units for each acre.