Are HS codes and HTS codes the exact same thing?

No. An HS code is a 6-digit international standard used globally. An HTS code is a 10-digit code specific to the United States.

What happens if I use the wrong HTS code on my commercial invoice?

Using an incorrect code can lead to your cargo being seized by US Customs. You may face severe shipment delays, demurrage fees, and heavy financial penalties.

Who is legally responsible for the HTS code: the supplier or the importer?

Under US law, the Importer of Record (IOR) is solely legally responsible for the accuracy of the tariff classification.

Do I need an HS code for air freight and DHL/FedEx shipments?

Yes. Regardless of the transportation method, every commercial item entering the United States must be classified with a valid HTS code.

How are import duty rates calculated?

Duty rates are determined by the 10-digit HTS code assigned to the product. Duties can be calculated ad valorem (a percentage of the value), specific (fixed dollar amount), or a combination.

Do Section 301 tariffs (China Tariffs) show up in the HS code?

No. Section 301 tariffs are additional punitive duties applied based on the country of origin. You must first determine your product's standard HTS code, then check if it falls under Section 301.

Why did the AI tool ask for the material composition of my product?

The Harmonized System heavily relies on what an item is made of. Providing exact material details ensures an accurate classification.

Can the same product have different HS codes in different countries?

The first 6 digits are identical globally. However, digits 7 through 10 are determined locally, meaning the full 10-digit code will differ by country.

What is a CROSS ruling?

CROSS stands for Customs Rulings Online Search System. It is a database of legally binding tariff classification decisions published by CBP.

AI HS Code Finder & HTS Classification Tool

Q: What is a Schedule B number, and when do I use it?

A Schedule B number is a 10-digit code used specifically for exporting goods out of the US, administered by the Census Bureau.

AI-Powered HS Code Finder

Describe your product in plain English. Our AI will instantly classify it according to the US Harmonized Tariff Schedule.

Analyzing product description...

Classification Results

International HS Code (6-Digit)

US HTS Code (10-Digit)

Estimated US Duty Rate

The Ultimate Guide to US Customs HS Codes & HTS Classification

Importing commercial goods into the United States is a highly regulated and complex process. Whether you are an Amazon FBA seller sourcing products from China, an enterprise-level procurement manager, or a small business expanding globally, your entire supply chain depends on one critical piece of data: the Harmonized System (HS) Code.

Using the wrong code doesn't just cause headaches; it can trigger severe US Customs and Border Protection (CBP) holds, crippling supply chain delays, and devastating financial penalties. Our free, AI-powered HS Code Finder is engineered to eliminate the guesswork from international trade compliance.

Pro Tip: Finding the exact 10-digit US HTS code manually requires navigating a 3,900-page PDF document. Our AI tool uses advanced Natural Language Processing (NLP) to read your plain-English product description and instantly match it to the correct legal tariff tier.

What is an HS Code vs. an HTS Code?

One of the most common points of confusion for new importers is the difference between various tariff classification numbers. While they are related, they serve different purposes depending on the country of import.

HS Code (Harmonized System): This is a universal, 6-digit code developed by the World Customs Organization (WCO). It is recognized by over 200 countries worldwide. The first 6 digits of a product's code will generally be the same whether you are shipping to the US, Europe, or Australia.
HTS Code (Harmonized Tariff Schedule): This is a 10-digit code specific to the United States. The US International Trade Commission (USITC) takes the global 6-digit HS code and adds 4 additional digits to track specific US import duties, quotas, and trade statistics. If you are importing into the USA, you must use the 10-digit HTS code.
Schedule B Number: This is a 10-digit code used specifically for exporting goods out of the United States. It is administered by the US Census Bureau to track export statistics.

The True Cost of Misclassification

Many novice importers attempt to guess their HTS code by using generic search engines, often picking a code with a lower duty rate to save money. This is legally considered customs fraud. Misclassifying your freight can result in:

CBP Form 28 (Request for Information): If customs officers suspect your code is wrong, they will halt your shipment and issue a Form 28. This immediately stops your supply chain.
Retroactive Duty Bills: CBP can audit your import history up to 5 years retroactively. If they discover you used the wrong code to avoid taxes, you will be billed for the difference, plus massive interest and penalties.
Demurrage and Detention Fees: While customs holds your cargo at the port to verify the classification, the port will charge you daily storage fees. These fees can easily exceed thousands of dollars within a single week.

How Our Automated Classification Tool Works

Traditional tariff lookup tools require you to manually click through endless category trees (e.g., Section XI -> Chapter 61 -> Heading 6109). This requires you to already possess a deep understanding of customs terminology.

Our Automated Import Duty Calculator & HS Finder bypasses this archaic method entirely. By integrating with OpenAI's massive data models, our system has "read" and comprehended the entirety of the USITC tariff schedule, past CBP ruling letters (CROSS), and complex material definitions.

Simply type a detailed physical description of your item. Include what it is made of, its function, and its power source (e.g., "A battery-powered, handheld plastic fan with LED lights"). The AI instantly evaluates the material composition and intended use, delivering the precise 6-digit international code, the 10-digit US HTS code, and the estimated general duty percentage you will owe at the port.

Why Amazon FBA Sellers Rely on Accurate Tariff Codes

If you are utilizing the Amazon Fulfillment by Amazon (FBA) program, margins are everything. Calculating your Landed Cost—the total price of a product once it arrives at the Amazon warehouse—is impossible without knowing your exact import duty rate.

Our tool acts as an instant Freight Forwarding Cost Estimator. By revealing your duty rate before you wire money to your supplier on Alibaba, you can accurately calculate your ROI. Furthermore, your freight forwarder or customs broker will require this 10-digit code to file your ISF (Shipper's Letter of Instruction) and clear your goods through the port seamlessly.

Frequently Asked Import & HS Code Questions

The fastest and most accurate way is to use an AI-powered lookup tool like the one on this page. Alternatively, you can manually search the Harmonized Tariff Schedule published by the US International Trade Commission (USITC), though this requires navigating thousands of pages of complex legal and material definitions.

No. An HS code is a 6-digit international standard used globally. An HTS code (Harmonized Tariff Schedule) is a 10-digit code specific to the United States. The first 6 digits of a US HTS code match the global HS code, but the final 4 digits dictate specific US import duties and statistical tracking.

Using an incorrect code can lead to your cargo being seized by US Customs (CBP). You may face severe shipment delays, daily port storage fees (demurrage), and heavy financial penalties if CBP determines the misclassification was an attempt to evade higher import duties.

Under US law, the Importer of Record (IOR)—which is usually you, the buyer—is solely legally responsible for the accuracy of the tariff classification. Even if your Chinese supplier prints a code on the Commercial Invoice, you will be the one fined by CBP if that code is incorrect.

Yes. Regardless of the transportation method—whether it is ocean freight, air cargo, or a small courier parcel via DHL, UPS, or FedEx—every commercial item entering the United States must be classified with a valid HTS code for customs clearance.

While HTS codes are used for importing goods into the US, a Schedule B number is a 10-digit code used specifically for exporting goods out of the US. Administered by the Census Bureau, it is required for filing the Electronic Export Information (EEI) in the Automated Export System (AES).

Duty rates are determined by the 10-digit HTS code assigned to the product. Depending on the code, duties can be calculated ad valorem (a percentage of the product's total value), specific (a fixed dollar amount per unit or weight), or a combination of both.

No. Section 301 tariffs are additional punitive duties applied based on the country of origin (specifically China). You must first determine your product's standard HTS code, and then check if that specific code falls under any active Section 301 lists to calculate your total landed duty cost.

Yes, licensed customs brokers are experts in tariff classification and can provide binding advice. However, using a free AI HS Code tool beforehand helps you estimate your landed costs quickly before engaging a paid professional.

The Harmonized System heavily relies on what an item is made of. For example, a "coffee mug" made of ceramic has a completely different HS code and duty rate than a "coffee mug" made of stainless steel or plastic. Providing exact material details ensures an accurate classification.

The first 6 digits (the international HS root) are identical across all member countries of the WCO. However, digits 7 through 10 are determined locally. Therefore, the full 10-digit code for a t-shirt in the USA will look different than the 10-digit code for that same t-shirt imported into Germany.

CROSS stands for Customs Rulings Online Search System. If an importer is unsure about an HTS code, they can request a legally binding ruling from CBP. The CBP's decision is published in the CROSS database, setting a legal precedent for how similar items must be classified in the future.