Section 321 in 2026: How DTC Brands Ship China-Direct Without Paying Duty

The de minimis exemption was supposed to be dead by now. The 2025 push to repeal it had bipartisan momentum, a Shein/Temu villain narrative, and a White House willing to sign almost anything that punished low-cost Chinese imports. Then it didn't happen. The carve-out survived, got reshaped, got more paperwork attached to it, but it survived.

If you run a DTC brand and you ship from China, that one fact still defines your unit economics in 2026. Section 321 is the difference between a 38% gross margin and a 22% gross margin on the same product. It's the difference between shipping a $30 SKU profitably and getting crushed by tariffs that turn it into a $39 SKU at checkout.

I run Peregrine Ship out of Shenzhen. We ship for over 1,000 Shopify brands. Most of them use Section 321 in some form, but the playbook for using it well in 2026 is different from what worked in 2023. Here's what actually works now, where the exemption breaks, and when you should give up and bulk-ship.

What Section 321 actually is (the part nobody explains right)

Section 321 of the Tariff Act of 1930 is the legal basis for the de minimis exemption. The rule: any single shipment with a declared value of $800 or less, sent to one person on one day, enters the U.S. without paying duties or formal customs entry. No tariffs. No customs broker. Limited paperwork.

The "one person, one day" part is the part people miss. You can't ship 50 packages worth $300 each to the same address on the same day and call it de minimis. CBP will consolidate them and charge you. You can ship 1,000 packages worth $300 each to 1,000 different consumers on the same day. That's the loophole, and that's the loophole that built Shein, Temu, and a lot of smaller DTC brands you've probably never heard of.

In 2025, Congress and the White House made three changes:

1. Section 321 was suspended for goods from China and Hong Kong for about six weeks in February 2025, then reinstated with stricter documentation requirements.
2. Type 86 entry (the electronic data filing for de minimis shipments) became mandatory for all goods covered by partner government agencies (FDA, CPSC, etc.).
3. HTS codes are now required on every Section 321 shipment from China, not just the ones flagged by customs.

The exemption survived. The paperwork around it got heavier. The unit economics didn't move much for brands that already had a real fulfillment partner in China. They moved a lot for brands that were winging it.

Who actually benefits from Section 321 fulfillment

Not everyone should ship China-direct. The math only works for specific product categories and specific brand stages.

The fit is good when:

• Average order value is $30 to $150. Above $800 you lose the exemption entirely. Above $250 you're carrying tariff risk if a single order ever gets reclassified.
• Product is small and light. China-direct works best for items that fit in a poly mailer or small box. Furniture, large appliances, anything over 2kg starts getting eaten by international shipping cost.
• You're selling to the U.S. consumer market specifically. Section 321 is a U.S. rule. The EU has a 150 euro de minimis. The UK had 135 GBP but tightened it. Canada has 20 CAD for duty (very low), 40 CAD for tax. Section 321 is uniquely generous.
• Your category isn't in a special tariff list. Steel, aluminum, certain textiles, and some other categories have separate Section 232 or 301 tariffs that override de minimis treatment. Check your HTS code.

The fit is bad when:

• You're already doing $5M+ in annual U.S. revenue with predictable demand. Bulk-importing and warehousing in the U.S. with a stateside 3PL like our 3PL service starts to win on per-unit shipping cost.
• Your customers expect 2-day delivery. Section 321 fulfillment from China runs 6 to 12 days door-to-door on standard service, 4 to 7 days on express. Not Amazon Prime.
• Your AOV is creeping toward $800. Once one customer adds two items and pushes you over $800, the whole shipment loses the exemption. We've seen brands quietly cap cart values just to stay safe.

The actual cost math for a $40 product

Let me show you what the numbers look like on a real example. This is a phone accessory, factory FOB cost $4.20, retail $39.99.

At $40 retail and 30% spend on ads, the China-direct route gives you about $15.80 of margin. The U.S. bulk route gives you about $13.65. The difference is $2.15 per unit. On 10,000 units a year, that's $21,500 you keep. Not nothing.

The catch: this assumes you have a partner in China that can actually fulfill at sub-24h turnaround with under $7 international shipping. If you're paying $14 for ePacket-style shipping and waiting 18 days, the math breaks fast.

The HTS code thing is real now

Before 2025, you could ship a Section 321 package from China with a vague description like "phone accessory, $5.00" and CBP would clear it without thinking twice. Those days are over. As of mid-2025, every Section 321 shipment from China needs a valid 10-digit HTS code on the customs paperwork.

The change isn't theoretical. We've watched packages get held in Los Angeles for incorrect or vague codes. Held packages turn into 5-day delays. Delayed packages turn into refund requests.

What this means practically:

• You need accurate HTS codes for every SKU you sell. Not approximations. Not "I'll figure it out at the border."
• You need to declare the actual retail value on the package. Underdeclaring used to be a winked-at industry practice. Now CBP can use your Shopify order data (via Type 86 filings) to cross-check. Don't do this.
• If your product is regulated by FDA (anything ingested, applied to skin, near the body), CPSC (children's products, lithium batteries), USDA, or any other partner agency, Type 86 filing is mandatory and you need to register accordingly.

The sourcing side of the operation is where this starts. Your factory invoice and packing list have to match what CBP sees on the customs declaration. If your factory writes "electronics" on the invoice and you declare it as "phone case with magnetic mount" on the customs form, you've created an inconsistency that flags shipments.

When the exemption breaks (and what to do)

Section 321 has three failure modes worth knowing about.

Failure 1: The order exceeds $800. Customer buys 4 items, total $890. The whole shipment loses the exemption. You owe duty on the full $890, not just the $90 over $800. The solution is to split the shipment into two boxes shipped on different days. Most checkout flows don't do this automatically. Either cap your cart value, or work with a fulfillment partner that auto-splits orders.

Failure 2: The product is excluded. Certain categories don't qualify regardless of value. Lithium batteries over a certain capacity. Some textiles under Section 232. Anything subject to anti-dumping duties. Your HTS code tells you which list you're on. If you're on one, you owe duty on the full value.

Failure 3: CBP reclassifies you. If CBP decides a series of shipments to the same address constitute "structured" entry to abuse the exemption, they can consolidate and assess duty retroactively. This rarely happens to actual DTC brands shipping to thousands of individual consumers. It happens to brands shipping wholesale orders disguised as DTC. Don't do that.

For products that fail Section 321, the answer is usually bulk import with a stateside 3PL and standard customs entry. The duty math hurts more, but you get faster shipping and you stop carrying compliance risk on every order.

Why China-direct fulfillment still has the edge in 2026

Even with the new paperwork, the structural advantage of Section 321 fulfillment from China is bigger than it looks.

You don't carry U.S. inventory. That means no warehouse rent, no minimum storage commitments, no dead stock you have to liquidate. You ship as you sell. Your working capital stays in product, not in shelves.

You don't pre-commit to demand. If a SKU flops, you're not stuck with 5,000 units in Pennsylvania. You're stuck with whatever's still at the factory, which you can usually negotiate down or pivot.

You get factory-floor speed on customization. When a private-label SKU needs a tweak to the box insert, the change happens at the factory and the next shipment goes out 48 hours later. No "re-kit the inventory in our U.S. warehouse" multi-week project.

You shrink the supply chain. Order placed, picked at our Shenzhen warehouse, on a plane within 6.6 days on average (that's our 2025 number across 1M+ shipments). Tracked from there to the consumer's door.

The trade-off: shipping time is 6 to 12 days, not 2. That works for most DTC categories. It doesn't work for last-minute gifts or emergency replacements. Know which you're in.

What this looks like in practice for a Shopify brand

If you're running a DTC brand and you want to use Section 321 in 2026, the operational stack looks like this:

1. Factory partnership through a sourcing service that can give you direct FOB pricing and HTS code support. We do this through our network of 30,000+ verified factories.
2. Fulfillment partner in China that handles pick, pack, customs documentation, Type 86 filing, and last-mile handoff. The whole flow from order to airwaybill should be under 24 hours.
3. Shopify integration that pushes order data automatically (we sync via the standard order webhook).
4. A clear cap on cart value to stay under $800 per shipment. Either at checkout or in your back-end splitting logic.
5. HTS code list for every SKU you sell, updated when products change.

That's the whole flow. Once it's set up, the brand operator's job is product and marketing. The fulfillment side runs on its own.

Conclusion

Section 321 didn't die. It got more paperwork, tighter enforcement, and a narrower target on the wall, but the core exemption is still there in 2026 and still the most generous duty-free threshold of any major market. For DTC brands with the right product profile (small, light, sub-$150 AOV, U.S. consumers), it's still the cheapest legal way to get product from a Chinese factory to an American customer's door.

The brands that win with it in 2026 will be the ones that take compliance seriously, build the HTS work into their product setup, and partner with someone who's been shipping from China at scale for years. The brands that lose will be the ones that treat it like the 2021 free-for-all and get caught with reclassified shipments and angry customers.

If you're sizing this up for your own brand, start a free Peregrine account and we'll walk you through whether Section 321 makes sense for your specific SKUs and AOV before you commit to anything.