49-34A-19 Costs and revenue considered in determining rates--Acquisition cost of property as alternative--Projected income and expenses. 49-34A-19.1 Separate accounts required for nonutility business--Profits and losses considered by commission. 49-34A-19.2 Disallowance for rate purposes of unreasonable profits of affiliates in sales or services to utility. 49-34A-20 Rate increases not required to prevent competition. 49-34A-21 Determination of rates--Order--Maximum rate--Classification adjustment. 49-34A-22 Future rate reduction or credit as alternative to refund of excess charges pending determination on increases. 49-34A-23 Action by commission for refund of excess charges pending determination on increase--Costs recovered--Limitation of actions. 49-34A-24 Municipal taxes on utilities passed on to customers. 49-34A-25 Automatic adjustment of rates for changes in energy, fuel and gas costs, ad valorem taxes paid or commission approved fuel incentives--Revised rate schedule filed by utility--Filing of bond if commission orders--Order of commission--Appeal. 49-34A-25.1 Approval of tariff mechanisms for automatic annual adjustment of charges for jurisdictional costs of new or modified transmission facilities. 49-34A-25.2 Approval, rejection, or modification of certain tariffs--Notice and hearing. 49-34A-25.3 Filing for annual rate adjustments--Contents. 49-34A-25.4 Standards for approval of annual rate adjustments. 49-34A-26 Investigation of rates or services by commission--Notice--Action. 49-34A-27 Standards, classifications, regulations or practices fixed by commission--Measuring devices--Quality control--Filing with commission. 49-34A-28