---
kind: "section"
citation: "18 C.F.R. § 1b.1"
title: "18"
number: "1b.1"
heading: "Definitions."
url: "https://uscodex.org/cfr/18/1b.1"
---

# §1b.1. Definitions.


For 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.

## Notes

### Amendments

[43 FR 27174, June 23, 1978, as amended by Order 602, 64 FR 17097, Apr. 8, 1999]

### Authority

Authority: 15 U.S.C. 717-717z, 3301-3432; 16 U.S.C. 792-828c, 2601-2645; 42 U.S.C. 7101-7352; 49 U.S.C. 60502; 49 App. U.S.C. 1-85 (1988); E.O. 12009, 3 CFR 1978 Comp., p. 142.

### Source

Source: 43 FR 27174, June 23, 1978, unless otherwise noted.

### Amendments

[43 FR 27174, June 23, 1978, as amended by Order 602, 64 FR 17097, Apr. 8, 1999]