b.1 Definitions.
18 C.F.R. § 1b.1
in effectEffective: 2024-07-01For purposes of this part—
(a) Formal investigation means an investigation instituted by a Commission Order of Investigation.
(b) Preliminary Investigation means an inquiry conducted by the Commission or its staff, other than a formal investigation.
(c) Investigating officer means the individual(s) designated by the Commission in an Order of Investigation as Officer(s) of the Commission.
(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.
Source: eCFRURL: https://www.ecfr.gov/api/versioner/v1/full/2024-07-01/title-18.xmlFetched: 7/26/2026