533. Director of utility board or commission.

534. Rate increase for municipally owned electric utilities -- Rates to be uniform.

535. Water plant or electric light, heat and power plant of second or third-class city -- Maintenance, operation and depreciation funds for -- Payment of surplus to general fund of city -- Fair return on property.

536. City owned light, water, or gas plant may pay tax equivalent to school district.

537. City operated natural gas distribution system -- Bonds -- Negotiated sale.

5375. Rights of city owning or operating natural gas system to sell natural gas within and without city boundaries -- Limitations -- Prohibitions -- Definitions.

538. Right of existing utility in annexed area.

539. Development of rules to govern extension of water and sewer service by city.

540. Restrictions on conveyance or encumbrance of waterworks or lighting system by a city of the second, third, fourth, fifth, or sixth class.

5405. Sale, lease, or transfer of utility system in emergency by city of sixth class -- Procedure.

5407. Home heating assistance fund.