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CFR > Title 18 - Conservation of Power and Water Resources > CHAPTER I—FEDERAL ENERGY REGULATORY COMMISSION, DEPARTMENT OF ENERGY > SUBCHAPTER B—REGULATIONS UNDER THE FEDERAL POWER ACT (parts 4 to 50) > PART 35—FILING OF RATE SCHEDULES AND TARIFFS > SUBPART H—Wholesale Sales of Electric Energy, Capacity and Ancillary Services at Market-Based Rates (§35.36 to §35.42) > 35.40—Ancillary services.
35.40—Ancillary services.
A Seller may make sales of ancillary services at market-based rates only if it has been authorized by the Commission and only in specific geographic markets as the Commission has authorized.