How the rules for shipping products to the United States are changing: bringing order to the new chaos

Beginning on August 29, 2025, any package entering the United States will be subject to tariffs and much stricter customs processes.
August 26, 2025
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We were aware that the return of Donald Trump would have far-reaching consequences for the entire world and across all sectors. Now, with the tariff war somewhat subsiding, we are beginning to see how this is impacting an area we discuss with you every day: commerce.

And the key word is “minimis.”

After years in which the tariff exemption known as de minimis enabled millions of low-value transactions, Donald Trump’s new executive order has brought this system to an end. Effective August 29, 2025, every package entering the United States, regardless of its value or country of origin, will be subject to tariffs and much stricter customs procedures.

Unsurprisingly, this is causing a minor earthquake at the logistical level.

Where we are coming from: Trump’s order and the end of de minimis

Until now, the United States permitted the importation of shipments valued at up to $800 without paying duties. This policy not only simplified procedures but was essential to the success of eCommerce giants such as Shein and Temu, whose models involved sending millions of low-cost packages directly from Asia. It also benefited any Spanish eCommerce business seeking to sell products directly to U.S. customers within that threshold, such as clothing, footwear, or accessories.

The White House justifies this measure with three reasons: unfair competition, the fight against counterfeiting (according to its data, 97% of items seized in 2024 were linked to the de minimis exemption), and smuggling of fentanyl and opioids (98% of what was seized entered through this channel).

As we explained previously, Trump’s executive order from several weeks ago completely eliminates this exemption, instead establishing two methods for calculating the new tariffs:

  • Ad valorem tariff: a percentage based on the product’s value, varying according to the country of origin and product category. For example, a t-shirt from a given country might have a 15% tariff on its value, while an electronic component from another could face a 25% duty.
  • Fixed per-package tariff (temporary, 6 months): This fee is based on the tariff agreement the United States has reached with each country (which you may consult here):
    • $80 for countries with rates below 16% (such as EU, which agreed on a 15% tariff with the United States)
    • $160 for rates ranging from 16% to 25%
    • $200 if rates exceed 25%.

The reaction of postal operators worldwide

In this context, one group is clearly impacted by this decision: postal operators, who are responsible for delivering shipments from all over the globe to the United States. As a result, the news has compelled European operators to make drastic decisions.

A few days ago, PostEurop, the association representing Europe’s postal services, warned that unless technical processes are defined soon—for example, how to collect tariffs, what data to transmit, and how to interact with U.S. customs—, many countries might be compelled to suspend shipments to the United States temporarily.

Within this framework, Correos, the Spanish postal operator, has announced that as of August 25 it will cease to accept commercial packages bound for the United States and Puerto Rico valued at $800 or less. Only documents, books, and gifts sent between private individuals of up to $100 are still allowed. Correos emphasizes that the suspension is temporary and that services will resume once solutions are in place to adapt to the new regulations.

However, as mentioned, this has affected most postal operators. For instance, a major player like German DHL Parcel has announced that it will not accept business customer shipments to the United States as of August 22. However, and here there is an important nuance which we will explain further below, it will continue operating with DHL Express, its commercial courier branch, as this service is able to process customs declarations directly with U.S. authorities.

This same pattern is repeated outside Europe. Japan Post, Singapore Post, Hongkong Post, and New Zealand Post have likewise suspended postal shipments of goods to the United States and advise their customers to use express services.

Commercial couriers vs. postal shipments: the key difference

Let us now elaborate on the difference between express services and postal services—something that might stand out to you if you are not accustomed to the world of shipping.

Postal Shipments (Correos, La Poste, Deutsche Post, etc.)

These operators function under the Universal Postal Convention, with simplified customs procedures and agreements with USPS (United States Postal Service, not to be confused with UPS). This channel is precisely the one being blocked by the new order, as low-value shipments will no longer benefit from those special processes.

Commercial Couriers (UPS, FedEx, DHL Express, etc.)

They do not rely on the postal channel; rather, they manage customs entries directly with Customs and Border Protection (CBP). For this reason, they can continue to operate, although all packages they transport will be subject to tariffs and must comply with the corresponding bureaucracy.

As explained by DHL, “the customs clearance process for postal shipments is generally simpler and more cost-effective. The basis for postal customs clearance is the Universal Postal Convention. (…) Commercial customs clearance, such as that offered by DHL Express, remains available to customers. (…) This type of clearance primarily affects the movement of commercial goods and is often conducted by customs agents or specialized intermediaries. Commercial shipments are subject to more stringent requirements, particularly regarding the description, classification, and proof of value of goods, as well as other controls.”

The declaration of goods when shipping with DHL Express is carried out by DHL as a customs agent in the United States. The payment of applicable tariffs is made in accordance with the ‘Incoterm’ (International Commercial Terms) agreed upon by sender and recipient. This specifies who is responsible for costs and risks during transportation of the goods, and who is responsible for customs clearance.”

What this means for international sellers

The impact of all these changes on European sellers—and particularly Spanish sellers—is complex:

  • On one hand, as has been known since the U.S.–E.U. agreement: Products sent to the United States will have to pay additional tariffs (for example, 15% from the E.U. or an $80 fixed fee per package during the first six months).
  • Additionally, greater bureaucracy will be required: each product must include an HS code (Harmonized System), a number of 6 to 10 digits that internationally classifies products and determines the applicable tariff. Continuing the previous example: a cotton t-shirt and an electronic component have different codes and, therefore, pay different rates.
  • There will be increased risks of delivery delays, as all packages will be subject to more thorough inspections.
  • This means that sellers who compete primarily on price will see their margins shrink and must decide whether to pass costs on to the consumer or absorb them.

It is indeed difficult to predict exactly how international trade will shift following such a significant measure; however, the consequences may not be limited to the U.S. market alone. In this context, major low-cost goods producers (primarily in China) will no longer find it as easy to access this market. This could prompt such companies to redirect their immense production volumes toward other markets, such as the European one, where “de minimis” regulations are more flexible… for now. Bear in mind that the E.U. is also considering taking action in this regard and eliminating the customs exemption for packages under 150 euros.

The result is unpredictable, but we may witness a significant increase in competition for local sellers (in our case, Spanish sellers). This could accelerate market changes: by flooding the market with products even cheaper than those already available, domestic sellers might be pressured to lower their prices, thereby affecting their profit margins.

The new customs process starting in September

As discussed, these changes amount to a redesign of import procedures:

  • For postal shipments
    • Operators will be responsible for collecting tariffs and transferring them to CBP via the Pay.gov system.
    • They will need to report the number of items, country of origin, and, if applicable, value for ad valorem calculation.
    • Shipments exceeding $2,500 must be formally entered.
    • Gifts sent between private individuals up to $100 remain exempt, but are subject to much stricter controls.
  • For courier shipments:
    • All shipments must be registered in the customs system.
    • Packages with a value equal to or less than $2,500 may be processed as informal entries, though customs may require a bond.
    • Shipments exceeding $2,500 will require a formal entry with a mandatory bond.
    • The required documentation includes a commercial invoice, tariff classification (HS code), country of origin, value, and importer’s details: company or individual in the United States, with their identification number (EIN/SSN or Form 5106 if new).

It is important to emphasize, as noted, that European postal operators such as Correos or Deutsche Post have not yet resumed commercial shipments. They will do so once their systems have adapted to meet the new requirements. Until then, the only operational channel is commercial couriers.

Checklist for an European seller

What you must consider if you plan to ship to the United States as of September:

  • Choose your channel: a courier service is preferable to postal, because international mail service is temporarily suspended.
  • Define the Incoterm: Incoterms (International Commercial Terms) are international rules that define the responsibilities between seller and buyer in an international sale. They determine who bears costs, risks, and administrative procedures at each stage of transport—from the factory to the final destination. They specify who pays for freight, who arranges insurance, who handles customs clearance, and at which point the transfer of risk occurs. Their use prevents ambiguities, facilitates international contracts, and standardizes foreign trade operations. In this case, we will focus on:
    • DDP (Delivered Duty Paid): you pay duties and taxes before shipment.
    • DAP (Delivered At Place): the customer pays upon receipt.
  • Classify your product with an HS code: a 6–10 digit number that defines your merchandise and determines the applicable duty.
  • Complete commercial invoice: include a clear description of the product, actual value, country of origin, and buyer’s details.
  • Calculate duties: from the E.U., expect a 15% duty on value or $80 per package under the temporary system.
  • Review delivery times: new controls may result in delays.

And above all, remain patient.

Image: Flux Schnell

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Content manager in Marketing4eCommerce

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