18 CFR § 4.80 - Applicability.

---
identifier: "/us/cfr/t18/s4.80"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "18 CFR § 4.80 - Applicability."
title_number: 18
title_name: "Conservation of Power and Water Resources"
section_number: "4.80"
section_name: "Applicability."
chapter_name: "FEDERAL ENERGY REGULATORY COMMISSION, DEPARTMENT OF ENERGY"
subchapter_number: "B"
subchapter_name: "REGULATIONS UNDER THE FEDERAL POWER ACT"
part_number: "4"
part_name: "LICENSES, PERMITS, EXEMPTIONS, AND DETERMINATION OF PROJECT COSTS"
positive_law: false
currency: "2026-03-24"
last_updated: "2026-03-24"
format_version: "1.1.0"
generator: "[email protected]"
authority: "16 U.S.C. 791a-825r; 42 U.S.C. 7101-7352."
regulatory_source: "Order 141, 12 FR 8485, Dec. 19, 1947, unless otherwise noted."
cfr_part: "4"
---


# 4.80 Applicability.

Sections 4.80 through 4.83 pertain to preliminary permits under Part I of the Federal Power Act. The sole purpose of a preliminary permit is to secure priority of application for a license for a water power project under Part I of the Federal Power Act while the permittee obtains the data and performs the acts required to determine the feasibility of the project and to support an application for a license.

[Order 54, 44 FR 61336, Oct. 25, 1979, as amended by Order 413, 50 FR 11685, Mar. 25, 1985]