# Montana Rail Link, Inc.-Petition for Rulemaking-Classification of Carriers
> **Surface Transportation Board** · Final rule. · Published 2021-04-05 · Effective 2021-06-04 · 86 FR 17548
## Document
- **Document number:** 2021-06963
- **Category:** rail-rate
- **Sub-agency:** Surface Transportation Board
- **Federal Register citation:** 86 FR 17548
- **CFR reference:** 49 CFR 1201
- **Publication date:** 2021-04-05
- **Effective date:** 2021-06-04
- **DOT docket:** Docket No. EP 763
## Abstract

The Surface Transportation Board (STB or Board) is adopting a final rule amending the thresholds for classifying rail carriers.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2021/04/05/2021-06963/montana-rail-link-inc-petition-for-rulemaking-classification-of-carriers)
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