---
kind: "section"
citation: "18 C.F.R. § 346.1"
title: "18"
number: "346.1"
heading: "Content of filing for cost-of-service rates."
url: "https://uscodex.org/cfr/18/346.1"
---

# §346.1. Content of filing for cost-of-service rates.


A carrier that seeks to establish rates pursuant to [§ 342.2(a)](/cfr/18/342.2.md?p=a) of this chapter, or a carrier that seeks to change rates pursuant to [§ 342.4(a)](/cfr/18/342.4.md?p=a) of this chapter, or a carrier described in [§ 342.0(b)](/cfr/18/342.0.md?p=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](/cfr/18/341.1.md) and [341.2](/cfr/18/341.2.md) of this chapter:

- (a) A letter of transmittal which conforms to §§ [341.2(c)](/cfr/18/341.2.md?p=c) and [342.4(a)](/cfr/18/342.4.md?p=a) of this chapter;
- (b) The proposed tariff; and
- (c) The statements and supporting workpapers set forth in [§ 346.2](/cfr/18/346.2.md).

## Notes

### Amendments

[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]

### Authority

Authority: 42 U.S.C. 7101-7352; 49 U.S.C. 60502; 49 App. U.S.C. 1-85.

### Amendments

[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]