CFR›Title 10›Chapter II›Part 217›Subpart B ContainsSection 217.20CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Subpart B—Definitions Sections 217.20 § 217.20 Definitions. Previous Appendix I to Part 217 Appendix I to Part 217—Sample Form DOE F 544 (05-11) Next I Subpart I—Miscellaneous Provisions