---
kind: "unit"
title: "46"
title_heading: "Shipping"
key: "chIV/subchB/part520"
level: "part"
label: "Part 520"
heading: "Carrier Automated Tariffs"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/46/chIV-subchB-part520"
sections_count: 15
---

# Part 520 — Carrier Automated Tariffs

Title 46 C.F.R. — Shipping › Chapter IV — Federal Maritime Commission › Subchapter B — Regulations Affecting Ocean Shipping in Foreign Commerce

## Sections

- [§520.1. Scope and purpose.](/cfr/46/520.1.md)
- [§520.2. Definitions.](/cfr/46/520.2.md)
- [§520.3. Publication responsibilities.](/cfr/46/520.3.md)
- [§520.4. Tariff contents.](/cfr/46/520.4.md)
- [§520.5. Standard tariff terminology.](/cfr/46/520.5.md)
- [§520.6. Retrieval of information.](/cfr/46/520.6.md)
- [§520.7. Tariff limitations.](/cfr/46/520.7.md)
- [§520.8. Effective dates.](/cfr/46/520.8.md)
- [§520.9. Access to tariffs.](/cfr/46/520.9.md)
- [§520.10. Integrity of tariffs.](/cfr/46/520.10.md)
- [§520.11. Non-vessel-operating common carriers.](/cfr/46/520.11.md)
- [§520.12. Time/Volume rates.](/cfr/46/520.12.md)
- [§520.13. Exemptions and exceptions.](/cfr/46/520.13.md)
- [§520.14. Special permission.](/cfr/46/520.14.md)
- [§520.91. OMB control number assigned pursuant to the Paperwork Reduction Act.](/cfr/46/520.91.md)
