{"data":{"id":"us/18-cfr-1b.1","jurisdiction":"us","citation":"18 CFR 1b.1","heading":"b.1 Definitions.","body":"For purposes of this part—\n(a) Formal investigation means an investigation instituted by a Commission Order of Investigation.\n(b) Preliminary Investigation means an inquiry conducted by the Commission or its staff, other than a formal investigation.\n(c) Investigating officer means the individual(s) designated by the Commission in an Order of Investigation as Officer(s) of the Commission.\n(d) Enforcement Hotline is a forum in which to address quickly and informally any matter within the Commission's jurisdiction concerning natural gas pipelines, oil pipelines, electric utilities and hydroelectric projects.","path":["Title 18—Conservation of Power and Water Resources","CHAPTER I—FEDERAL ENERGY REGULATORY COMMISSION, DEPARTMENT OF ENERGY","SUBCHAPTER A—GENERAL RULES","PART 1b—RULES RELATING TO INVESTIGATIONS"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-18.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:24:34Z","sha256":"dc8ac1dbe41157fa2394a5eed7b044119dd93ee9d5ca7112fbcde0ea5ebf375a","source_id":"us-cfr","stale":true,"prev":"us/18-cfr-1.102","next":"us/18-cfr-1b.2"},"notice":"GroundRules: Original legal text. Not legal advice."}