How Tariff Classification Mistakes Cost Importers Thousands

Every product entering the US is assigned a Harmonized Tariff Schedule (HTS) code that determines its duty rate. Get the code wrong, and the consequences range from modest overpayment to formal penalties — long after the shipment has already landed.

Why Misclassification Happens

Many product categories have several plausible-looking HTS codes with meaningfully different duty rates. Without someone who classifies goods for a living reviewing your SKUs, it’s easy to default to whichever code seems closest rather than the one that’s actually correct.

The Cost of Getting It Wrong

Overpaying duties is the more common outcome — money you never needed to spend, quietly compounding across every shipment. Underpaying is worse: it can trigger a Customs and Border Protection audit, back duties, interest, and penalties, sometimes for years of past entries at once.

How Correct Classification Protects You

A licensed customs broker classifies each SKU against the actual HTS schedule, and documents the reasoning behind it. That documentation matters — if CBP ever asks why a product was classified a certain way, “our broker confirmed it” is a materially stronger position than a guess.

What to Ask Your Forwarder

Is HTS classification done by a licensed broker, or estimated internally? Is the classification documented per SKU? Will they flag a product that falls into a gray area rather than picking silently?

The Bottom Line

Classification is easy to overlook because it happens before your cargo ever leaves the factory. It’s also one of the highest-leverage places a good forwarder protects you — both from overpaying and from compliance risk down the line.