1b.1—Definitions.
For purposes of this part—
(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.