7-12-2301. Rental provisions of municipal public sewer law applicable to rural districts. The provisions of part 42 of chapter 13 referring to sewer rentals apply to special improvement districts for the constructing and maintaining and operating of sanitary sewers and storm sewers, and the powers conferred on councils in part 42 of chapter 13 are conferred on each board of county commissioners as far as those powers relate to sewer rentals.