US lawFederal (United States)RegulationsTitle 47 CFR — TelecommunicationChapter I — FEDERAL COMMUNICATIONS COMMISSIONPart 64 — MISCELLANEOUS RULES RELATING TO COMMON CARRIERSSubpart J — Recovery of Investments and Expenses in Regulated Interstate Rates64.100147 C.F.R. § 64.1001Purpose.Last amended: 2018Year: 2026Length: 35 wordsOfficial source Cite as 47 C.F.R. § 64.1001 (2026)This subpart is intended to ensure that only used and useful investments and expenses are recovered through regulated interstate rates pursuant to section 201(b) of the Communications Act as amended (the Act), 47 U.S.C. 201(b).Cross-references to the US Code47:201Previous47 C.F.R. § 64.1000