Thinking about importing goods into the U.S.? Between regulations, documentation, and shipping protocols, there’s a lot to navigate. One detail that often gets overlooked until it causes problems? The HTS code.
While ‘HTS’ is an abbreviation for Harmonized Tariff Schedule, it is more than an empty box to be filled in on customs forms—it is the determining factor for the rate of duty, the regulations imposed, and whether the shipment is eligible for clearance.
Any incorrect application of the HTS code can lead to delays or charges being imposed upon the applicant. That is one or the other, and quite often both.
This blog guides you through how HTS codes work, explains why they matter for customs clearance and provides essential information on how to use them correctly when importing into the US. Read on!
What Are HTS (Harmonized Tariff Schedule) Codes?
HTS codes actually originate from a larger worldwide system used for the classification and labeling of goods in international trade. It is called the Harmonized System. Most countries operate within the framework of this system so that from border to border, product classification is the same.
Without it, duties and embargoes would be inconsistent from one customs environment to another, and clearing of goods would be pure chaos. It uses 6-digit codes.
The HTS, on the other hand, is an extension of the HS code that is 10 digits long. Its structure is as follows:
- The first 6 digits are the international HS code, recognized internationally.
- The next 4 digits in extension to the above are specific to the US
These ten figures are combined by CBP to process a shipment, and understanding the HTS system’s structure is necessary to understand this.
Here is what an HTS code looks like: 0901.21.00.35, and this is how it is broken down:
- 09: Chapter is the term used to describe the first two numbers. These indicate the broad product category, which in this instance includes spices, coffee, tea, and maté.
- 01: The title, which consists of the next two numbers, helps to clarify the chapter’s classification. In this context, 01 denotes coffee, 02 tea, and so forth.
- 21: The subheading, which designates a particular kind of item inside the heading group, is the next two digits. The ’21’ in this case denotes roasted coffee. As of right now, more than 200 nations use the same international HS code. The final four digits of the HTS code, which are peculiar to the United States, are now presented.
- 00: The rates of duty, which are free in this instance, are shown by numbers 7 and 8.
- 35: This is a retail container weighing 2 kg or less, as indicated by Digits 9 and 10, which are trade statistics utilized by U.S. authorities to track imports.
U.S. Customs and Border Protection utilizes this complete 10-digit code to determine which regulatory checks your shipment must pass, how it is taxed, and whether it is eligible under trade agreements.
You can find the list of HTS codes for 2025 here.
What Entry Types Require The Use Of HTS Codes?
Now that you understand HTS codes, let’s see which entry types require them and why:
- Type 01 (Formal Entries): Any shipment valued over $2,500. HTS codes are mandatory, as they are required to calculate tariffs, determine which regulations apply to the shipment, and identify if additional agencies need to be involved in reviewing it.
- Type 11 (Informal Entries): Shipments valued between $800 and $2,500, carrying low-risk items such as consumer electronics or clothing, for example, require a Type 11 entry. Now, while these entries do not need a customs bond, unlike the Type 01 entry, HTS codes are still necessary to assess if duties apply.
- Type 86 (Section 321: De Minimus Entry): The Type 86 entry is essentially used for e-commerce D2C shipments valued at under $800 per person per day or less. Now, while these shipments are duty-free, the CBP still expects full HTS details.
If you’re importing into the US, HTS codes aren’t optional—you’ll be dealing with them every time. And accuracy matters. So, what actually happens when things go sideways? Let’s get into it.
Why Getting HTS Codes Right Is Critical For Clearing Customs
While the HTS code is a simple 10-digit sequence of numbers, get any of these digits wrong, and your customs clearance process will come to a grinding halt. The consequences that follow are also not pleasant, and you could:
- Face Delays and Shipment Seizure: If even a single digit is incorrect, as far as the CBP is concerned, it constitutes a misclassification of your shipment. Your shipment will be flagged, and CBP will request additional documentation. If they are still not satisfied, they will escalate the case for further review.
- Incur penalties: If the error in your HTS classification results in you underpaying duties, you will incur penalties as per 19 U.S.C. § 1592. Penalties can start small, like a cut of the shipment’s value. If customs believes there was fraud—or even just carelessness—they might not hold back. In some cases, they’ll charge you for the entire shipment’s value.
- Have your import privileges revoked: If CBP views you as a repeat offender, all your shipments will be automatically flagged for additional reviews, and in extreme cases, your ability to import goods into the country may be revoked.
The bottom line? Getting your HTS classifications right will save you from a host of complications.
Who Is Responsible for HTS Code Accuracy?
Since HTS codes affect everything from duties to delays, you’d think someone else—maybe your customs broker or supplier—would handle it. After all, the logistics part of the importing process is under their purview, right?
Not quite. Under the Customs Modernization Act (19 U.S.C. § 1484), importers are responsible for obtaining accurate product classifications. By law, it’s on you—the importer—to get the product classification right. Customs doesn’t do it for you. You’re the one who needs to use “reasonable care” while declaring product classifications.
That includes knowing which HTS code applies, having a clear reason for using it, and keeping notes in case customs ever questions it. If there’s a problem down the line, they’ll come to you—not your broker, not your shipper.
Best Practices to Follow to Get HTS Classification Right?
Here are the key best practices to ensure you assign the correct HTS code and stay compliant with customs regulations:
- Recognize Your Products: Acquiring the appropriate HTS categorization is contingent upon the product’s intended application, materials, and other characteristics. The physical characteristics of the goods you are importing—size, weight, and form factor, to mention a few—may also be important in some circumstances.
- Follow the General Rules of Interpretation (GRIs): The CBP has a specific structure, prescribed in the General Rules of Interpretation, for classifying products. Follow these to the T.
- Avoid Considering HTS Classification as a One-Time Task: Both the continuous updating of tariffs and the periodic formation of new trade agreements have the potential to change a product’s HTS categorization. Consult these resources frequently and trust official sources, including the US Harmonized Tariff Schedule (HTS). If you are unsure, you may also look up how similar products have been categorized using the CROSS database.
- Keep Meticulous Records: For every code you assign, document why you chose it and what sources you used. If CBP ever questions your classification, you’ll have a paper trail that supports your case.
Summing It Up
Your shipment clears more quickly and easily when your Harmonized System (HTS) code is correct. However, if it’s incorrect, you can experience shipment holds, fines, or delays.
Because of this, it’s critical to comprehend the meaning, structure, and use of HTS codes for the items you’re importing in accordance with the type of entry.
If you are new to the world of imports, all of the above can seem overwhelming, and if you aren’t confident about something, it’s best to rope in the experts. ABI software vendors, such as CustomsCity, can help you obtain the correct HTS classification using their platform to facilitate effortless customs clearance.
