The Commission may consider variations or exemptions from the terms or requirements of any of the rules included herein (14 A.A.C. 2, Article 13) upon application of an affected party. The application must set forth the reasons why the public interest will be served by the variation or exemption from the Commission rules. Any variation or exemption granted shall require an order of the Commission. Where a conflict exists between these rules and an approved tariff or order of the Commission, the provision of the approved tariff or order of the Commission shall apply.
Ariz. Admin. Code § R14-2-1311