
General Rules of Interpretation: How HTS Codes Get Decided
The six General Rules of Interpretation decide every HTS classification. What each rule does, the order they apply in, and a worked example.
The CargoTrans team brings together licensed customs brokers, freight forwarders, and supply chain specialists with decades of combined experience moving goods across global trade lanes. As a full-service logistics partner, CargoTrans manages international supply chains end-to-end, helping importers and exporters navigate customs regulations, tariffs, and compliance with clarity and confidence.
Our experts write about the practical side of global trade: how tariff changes affect real shipments, what customs compliance demands day-to-day, and how visibility tools give shippers control over their freight. The goal is simple — help your business spend less time tracking shipments and overpaying duties, and more time growing.

The six General Rules of Interpretation decide every HTS classification. What each rule does, the order they apply in, and a worked example.

A binding ruling fixes classification, valuation or origin at every US port. Filing through eRulings, the 19 CFR 177.7 bars, and reading CROSS safely.

How the CPSC regulates imported consumer products: GCC vs CPC certificates, third-party testing, the July 2026 ACE eFiling mandate, border holds, tariffs, penalties, and how a customs broker clears CPSC-regulated goods.

U.S.-Malaysia tariff guide: reciprocal rate, Section 232 semiconductor exposure, top sectors.

U.S.-Indonesia tariff guide: reciprocal rate, GSP, top sectors (textiles, footwear, agro).

De minimis $800 import rule: 2026 Trump changes, Section 321 entries, Type 86, e-commerce impact. Tariff strategy and trade advisory for importers.

Liberation Day tariffs (April 2, 2025): 10% baseline, country-specific rates, USTR Annex I/II/III. Tariff strategy and trade advisory inside.

U.S.-Korea tariff guide: KORUS FTA preferential rates, Section 232 steel quota, top sectors (autos, electronics, steel).

U.S.-Thailand tariff guide: reciprocal rate, GSP eligibility, top sectors (electronics, autos, agro).

Step-by-step guide to calculating U.S. import tariffs: ad valorem, specific, and compound methods, customs value, Section 232/301 stacking, and worked examples.