CFR›Title 47›Chapter I›Part 64›Subpart J ContainsSections 64.1000–64.1002CorpusDaily eCFRDisplayed edition2026-04-27Last updated2026-04-27 Subpart J—Recovery of Investments and Expenses in Regulated Interstate Rates Sections 64.1000 § 64.1000 Scope. 64.1001 § 64.1001 Purpose. 64.1002 § 64.1002 Investments and expenses. Source83 FR 18965, May 1, 2018, unless otherwise noted. Previous HH Subpart HH—Caller ID Authentication Next K Subpart K—Changes in Preferred Telecommunications Service Providers