CFR > Title 18 - Conservation of Power and Water Resources > CHAPTER I—FEDERAL ENERGY REGULATORY COMMISSION, DEPARTMENT OF ENERGY > SUBCHAPTER E—REGULATIONS UNDER NATURAL GAS ACT (parts 152 to 158) > PART 154—RATE SCHEDULES AND TARIFFS > SUBPART D—Material To Be Filed With Changes (§154.301 to §154.315) > 154.310—Zones.

154.310—Zones.

If the company maintains records of costs by zone, and proposes a zone rate methodology based on these costs, the statements and schedules in § 154.312 and § 154.313 must reflect costs detailed by zone.