18 CFR § 346.1 - Content of filing for cost-of-service rates.
---
identifier: "/us/cfr/t18/s346.1"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "18 CFR § 346.1 - Content of filing for cost-of-service rates."
title_number: 18
title_name: "Conservation of Power and Water Resources"
section_number: "346.1"
section_name: "Content of filing for cost-of-service rates."
chapter_name: "FEDERAL ENERGY REGULATORY COMMISSION, DEPARTMENT OF ENERGY"
subchapter_number: "P"
subchapter_name: "REGULATIONS UNDER THE INTERSTATE COMMERCE ACT"
part_number: "346"
part_name: "OIL PIPELINE COST-OF-SERVICE FILING REQUIREMENTS"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "42 U.S.C. 7101-7352; 49 U.S.C. 60502; 49 App. U.S.C. 1-85."
cfr_part: "346"
---
# 346.1 Content of filing for cost-of-service rates.
A carrier that seeks to establish rates pursuant to § 342.2(a) of this chapter, or a carrier that seeks to change rates pursuant to § 342.4(a) of this chapter, or a carrier described in § 342.0(b) of this chapter that seeks to establish or change rates by filing cost, revenue, and throughput data supporting such rates, other than pursuant to a Commission-approved settlement, must file, consistent with the requirements of §§ 341.1 and 341.2 of this chapter:
(a) A letter of transmittal which conforms to §§ 341.2(c) and 342.4(a) of this chapter;
(b) The proposed tariff; and
(c) The statements and supporting workpapers set forth in § 346.2.
[59 FR 59146, Nov. 16, 1994, as amended by Order 588, 61 FR 38569, July 25, 1996; Order 714, 73 FR 57537, Oct. 3, 2008]