Export & logistics
Understanding import requirements before you quote
A quote is a promise about price, and price depends on things you may not have checked yet. The HS classification you assign changes the duty rate. The certificates a product needs change by destination and product, not by habit. And whether a preferential tariff rate even applies depends on a rules-of-origin test you have not run. None of that shows up as a problem until it shows up as a shipment held at the border, or an invoice that does not match what you promised a buyer. This guide covers what to actually check before you put a number in front of a customer.
Key facts
- A quote made before you check import requirements is a guess: the HS classification you assign determines the duty rate, and getting it wrong changes your landed-cost math after you have already committed to a price.
- Documentation and certification requirements are set by the destination and the specific product, not by your origin country or by what your last shipment needed, the same crop can face different requirements shipping to two different markets.
- Tariff exposure is not just the standard duty rate: whether a preferential rate applies depends on qualifying under a specific trade agreement's rules of origin, not simply on where the goods were grown or made.
- The Incoterm you quote under decides who pays for which document and which cost, not who is responsible for compliance, confirm that split before you commit to terms, not after a shipment is held at the destination.
Start with classification, because it decides the duty rate
Every internationally traded good gets classified under the Harmonized System, the six-digit product nomenclature developed and maintained by the World Customs Organization and used by more than 200 countries and economies as the basis for their customs tariffs and trade statistics. The code you assign to your product decides the duty rate the buyer's customs authority applies, and different codes for what looks like the same product are common: grading, processing state, and even packaging can shift a classification. If you have not confirmed the code before you quote, you are pricing against an assumption, not a number. See how to find your HS code if you have not nailed this down yet.
A duty rate by itself is also not the whole story. Whether a lower, preferential rate applies depends on a separate question: whether your shipment actually qualifies under a specific trade agreement's rules of origin, not simply on where the goods were grown or produced. See the guide on preferential versus non-preferential certificates of origin before you assume a trade agreement's headline rate applies to your lane.
Documentation and certification requirements are set by the destination, not by habit
The paperwork a shipment needs is set by the importing country and the specific product, not by your product category in general or by what your last shipment needed. Under the World Trade Organization's Agreement on the Application of Sanitary and Phytosanitary Measures, a destination country is entitled to set its own food-safety and animal and plant health measures, provided they are science-based, applied proportionally, and not used to discriminate arbitrarily between countries where similar conditions prevail. In practice that means the same crop can need a phytosanitary certificate for one destination and a different combination of health certificate, residue testing, and labeling requirement for another, and a requirement that applied to your last shipment to a market is not guaranteed to still apply, or to apply the same way, to your next one.
Treat the documentation list as destination- and product-specific, confirmed for this deal, not carried over from the last one. If you have not already, run the specific product and destination combination through a requirements check before you quote, not after the buyer has a price in hand.
What the Incoterm decides, and what it does not
The Incoterm you quote under, covered in Incoterms 2020: the practical guide, decides who is responsible for which cost, insurance, and transport leg, not who is responsible for compliance. A seller quoting under an Incoterm that hands import clearance to the buyer is still usually the one who has to produce the export-side certificates the buyer needs in order to clear customs at all, the paperwork obligation does not disappear just because the cost obligation shifted. Confirm, deal by deal, exactly which certificates, permits, and inspections fall on your side of the transaction and which fall on the buyer's, before you agree to terms, because a gap discovered after the shipment has left is a demurrage bill and a damaged relationship, not a quick paperwork fix.
The honest failure mode here is not ignorance, it is assumption: assuming a document requirement carries over from the last shipment, assuming a tariff preference applies because a similar product qualified once, assuming the buyer has the import side covered because the Incoterm says so. None of those assumptions are checks. Running the actual requirements for the actual destination, product, and Incoterm combination before you quote is the only thing that is.
Sources
- World Customs Organization — Harmonized System nomenclature overviewChecked 2026-08-31
- WTO — Sanitary and Phytosanitary Measures (SPS Agreement gateway)Checked 2026-08-31
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