1.    A public utility shall provide notice to a customer of the utility’s intention to discontinue utility service for payment delinquency in accordance with commission rules.

2.    A public utility shall provide notice to a third party designated by a customer of the utility’s intention to discontinue electric or natural gas service to the customer for payment delinquency. The customer shall designate the third party on a form provided by or approved by the public utility. The public utility may elect to provide notice to a designated third party by mail or electronic means. Notice by mail must be made not less than five days before discontinuance and notice by electronic means must be made not less than three days before discontinuance. A public utility is immune from civil liability for failing to provide notice or providing incorrect notice to a third party of its intention to discontinue utility service to a customer.