CFR > Title 30 - Mineral Resources > CHAPTER II—MINERALS MANAGEMENT SERVICE, DEPARTMENT OF THE INTERIOR > SUBCHAPTER B—OFFSHORE (parts 250 to 285) > PART 253—OIL SPILL FINANCIAL RESPONSIBILITY FOR OFFSHORE FACILITIES > SUBPART C—Methods for Demonstrating OSFR (§253.20 to §253.32) > 253.20—What methods may I use to demonstrate OSFR?