Bills to customers must be typed or machine printed, must be provided monthly to residential customers and at least annually to business customers unless the residential or business customer requests a different time period, and must contain an itemized list of all charges at least annually or at any time the customer requests an itemization. Customer billings sent through the United States mail must be sent in envelopes and must include a return envelope for payment of the customer's bills.
S.D. Admin. R. 20:10:07:03
General Authority: SDCL 49-31-5.
Law Implemented: SDCL 49-31-5.