Container Detention & Demurrage: How to Eliminate Unnecessary Fees

Detention and demurrage fees quietly drain millions from import budgets every year. The Federal Maritime Commission estimated that U.S. importers and exporters paid over $2.4 billion in these charges in 2020 alone — much of it avoidable. If you're importing goods into the United States and you're not actively managing these fees, you're almost certainly overpaying.

This article explains exactly what these charges are, where they come from, and — most importantly — how to eliminate the ones you don't owe.

What Detention and Demurrage Actually Mean

These two terms get used interchangeably, but they're legally and financially distinct.

Demurrage is the fee a terminal or port charges when a container sits inside the terminal beyond the carrier's free time allowance. Free time is typically 4–7 calendar days at major U.S. ports like Los Angeles/Long Beach, New York/Newark, and Savannah. After that, demurrage accrues daily — commonly $75–$150/day in the first tier, jumping to $150–$450/day after day 9 or 10.

Detention is different. It's the fee the ocean carrier charges when you keep the container (or chassis) outside the terminal beyond your free time. You've picked up the container, you're using it for storage or awaiting delivery — that clock runs separately. Detention rates often start at $100–$200/day and can exceed $350/day for 40-foot high-cube units.

Some invoices bundle both. Some carriers issue them separately. You need to know which is which before you can dispute anything.

Why These Fees Spiral Out of Control

Most importers don't lose money on a single bad shipment. They lose it consistently on structural problems they never fix.

Port Congestion and Vessel Delays

When a vessel arrives late, your free time clock often still starts ticking from actual container availability — not the original scheduled arrival. But some carriers and terminals start the clock from first available date (FAD) notifications, which can be issued days before the container is physically accessible. This is a key dispute trigger. Under FMC regulations and the Ocean Shipping Reform Act of 2022 (OSRA-22), carriers cannot charge detention or demurrage when the container is not actually retrievable by the importer.

Customs Holds

If CBP places an Intensive Exam (VACIS, CET, or tailgate exam) on your shipment, your container may sit for 3–10 days or longer. That entire time, demurrage is often accruing. Most carrier contracts don't automatically pause the clock for government holds. You need a clause that does — or you need to dispute after the fact.

Trucking Appointment and Gate Constraints

Terminals at major ports operate on appointment systems. During peak congestion periods, available appointments at terminals like TTI or Everport in Los Angeles can be 3–5 days out. If you're burning free time waiting for an appointment slot that doesn't exist, that's a legitimate basis for dispute under FMC Docket No. 20-05 guidelines and subsequent OSRA-22 enforcement rules.

Poor Internal Coordination

This one hurts more than importers want to admit. Delays in sending the Arrival Notice to your customs broker, slow ISF amendments, pending payment releases to freight forwarders — each of these can burn 1–3 days of free time before anyone even starts the pickup process.

The Real Cost: A Scenario

You import furniture from Vietnam through the Port of Los Angeles. The vessel arrives 4 days late due to weather and port congestion. Free time is 5 days. Customs runs a CET exam that takes 6 days. You finally pick up the container on day 14 from FAD.

Without any action:

Demurrage days: 9 (days 6–14)
Tier 1 (days 6–9): 4 days × $125/day = $500
Tier 2 (days 10–14): 5 days × $300/day = $1,500
Total demurrage: $2,000

With proper dispute documentation:

6 days of CBP hold = exempt under OSRA-22 guidelines
2 days of no available terminal appointments = disputable
Legitimate exposure: 1 day × $125 = $125

That's a $1,875 difference on a single container. Multiply that across 50–200 containers a year and you understand why this matters.

How to Dispute Charges Effectively

Disputing fees isn't difficult. Being organized is.

Step 1: Pull Every Document Before You Call Anyone

You need: the Bill of Lading, the carrier's free time confirmation, the Arrival Notice with FAD date, the CBP exam notice (if applicable), terminal appointment records, and the gate-out timestamp. Most importers try to dispute charges with only the invoice in hand. That's why they lose.

Step 2: Build a Timeline

Create a day-by-day log from FAD to container return. Mark every day the container was inaccessible due to: vessel delay, CBP hold, terminal appointment unavailability, or port closure. This is your evidence.

Step 3: Cite the Right Authority

Under 46 U.S.C. § 41102 and the FMC's Interpretive Rule on Detention and Demurrage (Final Rule, May 2020), carriers must consider whether the charges are "fair and reasonable." Charges accrued during periods when the shipper had no reasonable ability to retrieve the container fail this standard. Reference this directly in your dispute letter.

For CBP holds specifically, reference 19 CFR § 141 and the hold documentation from CBP's ACE portal. Attach the exam order and the release notice with timestamps.

Step 4: Submit in Writing with a Deadline

Don't call. Email the carrier's D&D dispute team directly with a structured dispute letter, all attachments, and a 14-day response deadline. Phone calls create no paper trail and produce vague commitments. Most major carriers — Maersk, MSC, CMA CGM, Evergreen — have dedicated dispute portals or email addresses. Find them.

Step 5: Escalate to the FMC If Needed

If a carrier refuses a legitimate dispute, file a complaint with the Federal Maritime Commission at fmc.gov. OSRA-22 gave the FMC stronger enforcement authority, and carriers know it. The threat of an FMC complaint alone often moves a negotiation forward. For charges above $50,000, consider engaging maritime counsel.

Prevention: How to Stop Fees Before They Start

Disputes are reactive. Prevention is where you actually protect your margins.

Negotiate Free Time Upfront

At the time of booking — not after arrival — push your freight forwarder to negotiate extended free time into the service contract or booking confirmation. For high-volume lanes, 7–10 days of free time is achievable. Even 2 extra days on a 200-container annual volume can save tens of thousands of dollars.

Build a Pre-Arrival Checklist

Your customs broker should be ready to file entry the moment the vessel departs origin. ISF must be filed 24 hours before loading. By the time the container arrives, your entry should be pre-filed and you should be waiting on CBP release — not scrambling to gather documents.

Specifically:

Commercial invoice and packing list to broker: 7 days before vessel arrival
Arrival Notice forwarded to broker: within 24 hours of receipt
Trucking order issued: same day as CBP release

Use a Trucker With Terminal Appointment Capability

Not all drayage companies can get appointments quickly. Ask your truckers directly: what is your average appointment lead time at [specific terminal]? If the answer is "3–4 days," find a trucker with better terminal relationships or access to appointment pooling systems.

Add D&D Liability Clauses to Vendor Contracts

If delays are caused by incorrect documentation from your overseas supplier — wrong HTS codes, missing certificates, incorrect declared values — you're paying for their mistakes. Add a clause to your purchase agreements making suppliers financially responsible for fees caused by documentation errors.

Tracking and Auditing: The Ongoing Work

Even if you do everything right, invoices will still arrive with errors. Automated auditing tools can flag discrepancies between your timeline data and carrier invoices in real time. At a minimum, build a spreadsheet that tracks:

Container number
FAD date
CBP hold start and end date (if any)
First available appointment date
Gate-out date
Carrier-billed free time vs. actual free time

Review every D&D invoice against this tracker before paying. Most carriers issue invoices with 30-day payment terms. That gives you time to audit and dispute before the bill is due.

What OSRA-22 Changed for Importers

The Ocean Shipping Reform Act of 2022 is the most significant piece of U.S. shipping legislation in decades. Key provisions relevant to D&D:

Carriers must now certify in tariffs that D&D practices are fair and reasonable
The FMC has explicit authority to investigate and penalize unreasonable D&D practices
Shippers have a clearer pathway to bring complaints and recover fees

This law shifted the balance of power. Use it.

Bottom Line

Detention and demurrage fees are not inevitable. They're the result of disorganized processes, weak contracts, and unanswered invoices. The companies that eliminate most of these fees do three things consistently: they document everything, they dispute fast, and they negotiate free time before the ship leaves port.

If you're currently paying D&D fees without reviewing them line by line, start there. Pull the last 6 months of invoices and build the timeline. You'll find money.

Ready to take control of your import costs? Regenerate Trade helps e-commerce brands and importers build tighter logistics operations and stop paying fees they don't owe. Get started today →