Section 31.21.01.401 - COMPLAINT TO COMMISSION01.Informal Complaint. If a customer or applicant who has complained to a utility is dissatisfied with a utility's proposed disposition of the complaint, the customer or applicant may file an informal complaint with request the Commission. Customers and applicants are encouraged, but not required, to contact the utility before filing an informal complaint.02.Termination of Service - Undisputed Bills. Utility service must not be terminated nor termination threatened by notice or otherwise while the complaint is pending before the Commission. The utility may continue to issue bills and request payment from the customer of any undisputed amounts.03.Customer's Rights Protected. No customer or applicant will be denied the opportunity to file an informal or formal complaint with the Commission.Idaho Admin. Code r. 31.21.01.401