356.44 Rules of sheriff. The county sheriff shall formulate rules for the conduct and behavior of county jail prisoners. These rules may include provisions for county jail prisoners to do all necessary cleaning and upkeep of cells, compartments, dormitories and day rooms. Extra penalties may be provided for intentional damage of county jail property. Such rules and regulations shall be approved by a district judge from the district in which the county jail is located. [C66, 71, 73, 75, 77, 79, 81, §356.44]
Iowa Legal Code