Oregon Public Utility Commission Rule Rule 860-026-0040 Investigations of Promotional Activities and Concessions Nothing in OAR 860-026-0005 (Definitions for Utility Sales Promotion) through 860-026-0040 (Investigations of Promotional Activities and Concessions) is intended to prevent the Commission from investigating, either formally or informally, any promotional activity or concession, or the costs thereof, of any energy or large telecommunications utility.