CFR > Title 25 - Indians > CHAPTER I—BUREAU OF INDIAN AFFAIRS, DEPARTMENT OF THE INTERIOR > SUBCHAPTER I—ENERGY AND MINERALS (parts 200 to 227) > PART 224—TRIBAL ENERGY RESOURCE AGREEMENTS UNDER THE INDIAN TRIBAL ENERGY DEVELOPMENT AND SELF DETERMINATION ACT > SUBPART H—Rescission (§224.170 to §224.175) > 224.170—What is the purpose of this subpart?