CFR›Title 40›Chapter I›Part 700 ContainsSubparts A–CCorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 PART 700—GENERAL Subparts A Subpart A—Addresses Section 700.17 B Subpart B [Reserved] C Subpart C—Fees Sections 700.40–700.49 Authority15 U.S.C. 2625 and 2665, 44 U.S.C. 3504.Source53 FR 31252, Aug. 17, 1988, unless otherwise noted. Previous 610 Part 610—Fuel Economy Retrofit Devices Next 702 Part 702—General Practices and Procedures