By Luis Lopez, AI transportation consultant, CEO of Go Hub.io Holdings Corp and subsidiaries, and host of the Freight Guru Podcast
Many freight disputes start the same way. A shipper receives an invoice with a charge it did not expect, asks the carrier where it came from, and is told the charge is in the carrier’s rules tariff. The shipper never signed that document and may never have seen it. Yet the carrier points to the bill of lading or rate confirmation, which says the shipment moves subject to the carrier’s published rules. This article explains what a rules tariff is, how it ends up governing your shipments, and how to protect yourself before and after a dispute arises.
What a Rules Tariff Is
A rules tariff is a carrier’s published set of terms and conditions. It typically sits alongside the carrier’s rates and describes how those rates are applied and what extra charges may apply. Common contents include:
- Accessorial charges. Fees for services beyond basic linehaul, such as liftgate, inside delivery, residential delivery, detention, redelivery, storage and reweighing.
- Liability limits. Limits on the carrier’s cargo liability, often tied to released value or declared value options.
- Claims procedures. How and when to file cargo claims and what documentation is required.
- Payment terms. When invoices are due and what happens if they are paid late.
- Definitions and conditions. How the carrier defines things like a business versus residential address, what counts as a delivery attempt and how weight and dimensions are verified.
For an overview of the charges that most commonly appear, see our guide to truckload accessorial charges.
Tariffs After Deregulation
Before deregulation, many motor carriers filed tariffs with the federal government. Since the ICC Termination Act of 1995, motor carriers do not file tariffs with a federal agency. Carriers still publish rules and rates, but they keep them on their own websites or provide them directly.
One important protection remains. Under 49 U.S.C. 13710(a)(1), a carrier must give a shipper, on request, a written or electronic copy of the rate, classification, rules and practices on which a charge is based. If you are billed under a rule you have not seen, you are entitled to ask for it.
How Rules Get Incorporated by Reference
Rules tariffs usually become part of a shipment through incorporation by reference. That means a document you do sign or accept, such as a bill of lading, a rate confirmation or a carrier agreement, contains language stating the shipment is subject to the carrier’s rules tariff in effect at the time.
Look closely at your documents for phrases referring to the carrier’s tariff, rules, terms and conditions or published circulars. These references can be small print on the back of a bill of lading, a line in a rate confirmation or a clause in a master agreement. Our article on rate confirmations explains how those documents work.
When the Contract and the Tariff Conflict
Many shippers have written transportation contracts with their carriers. Those contracts often address rates, accessorials, liability and payment. Conflicts arise when the contract says one thing and the carrier’s rules tariff says another.
Under 49 U.S.C. 14101(b), a carrier and shipper may agree in a written contract to waive rights and remedies under that part of the statute. That is what allows contract carriage to operate on negotiated terms. How a particular conflict is resolved, however, depends on the specific language in your documents. A well-drafted contract usually includes an order-of-precedence clause stating which document controls when there is a conflict. Without one, the question becomes harder and more expensive to resolve.
Questions to ask about any conflict
- Does the contract say it overrides the carrier’s tariff, or that the tariff applies only where the contract is silent?
- Does the bill of lading used for the shipment refer to the contract, the tariff or both?
- Was the tariff version in effect on the shipment date different from the version you reviewed earlier?
- Did anyone agree in writing to change the terms for this specific shipment?
Liability Limits in the Fine Print
One of the most significant things a rules tariff can contain is a limitation on the carrier’s cargo liability. Many carriers offer a lower rate in exchange for limited liability, with an option to declare a higher value for an additional charge. If your bill of lading references the tariff and you did not declare a value, you may discover after a loss that recovery is capped. Our guide to released value and limitation of liability explains how those limits work and why the details of how they are presented matter.
Negotiating Overrides in Writing
The best time to deal with a rules tariff is before you ship. As an AI transportation consultant, one of the first things I look at when reviewing a shipper’s freight terms is whether anyone has actually read the carrier rules that the paperwork references. Practical steps:
- Request the current rules tariff from each carrier you use regularly.
- Identify the charges and limits that matter to your freight, such as detention terms, residential definitions, reweigh rules and liability limits.
- Negotiate changes in writing. Put agreed overrides in a signed contract or a written amendment. Verbal assurances from a sales representative are hard to rely on later.
- Add an order-of-precedence clause so the contract controls over the tariff.
- Align your bill of lading so it references the contract and does not silently pull in conflicting terms.
AI contract review tools can help compare a carrier’s rules against your contract and flag clauses that conflict. They are useful for spotting issues across many documents. A person who understands your freight still needs to decide which differences matter.
Documenting for a Dispute
If a charge has already been billed and you believe it is wrong, documentation is everything:
- Request in writing the specific rule the carrier relied on, citing your right to receive it.
- Save a copy of the tariff version in effect on the shipment date.
- Gather the bill of lading, rate confirmation, contract and any written amendments.
- Collect operational records such as appointment times, delivery receipts and driver notes that bear on whether the charge applies.
- Dispute the charge in writing, explaining which document you believe controls and why.
For a step-by-step approach to challenging invoices, see our guide on freight bill disputes.
Rules tariffs are not hidden traps by nature. They are how carriers standardize terms across thousands of customers. The risk comes from never reading them. Shippers who request the rules, negotiate the terms that matter and keep clean records are in a much stronger position when a surprise charge appears.
For more conversations on freight and AI, subscribe to the Freight Guru Podcast.
About the author: Luis Lopez is a Miami-based AI transportation consultant and logistics entrepreneur, the CEO of Go Hub.io Holdings Corp and subsidiaries, and host of the Freight Guru Podcast.
This article is general information for the freight community, not legal advice. Talk to a transportation attorney about your specific situation.
