Montana Title 7. Local Government § 7-13-4305. Consumers required to pay for services

(1) No person, firm, or corporation shall be permitted to use said system unless they pay the full and established rate for said service.

(2) No person may have service reestablished after it is discontinued pursuant to 7-13-4306 unless they have paid the full amount past due, any interest or penalty on such past-due amount, and any required reestablishment deposit.