The European Union has finalized new customs rules that fundamentally change how platforms like Temu, Shein, AliExpress, and TikTok Shop operate in European markets. Under the new framework, Euromonitor reports, these platforms are reclassified from passive marketplaces — where individual sellers bear legal responsibility for their goods — into importers, meaning the platforms themselves become directly liable for customs duties, product safety standards, and compliance documentation. Companies that repeatedly violate the rules face fines of 1% to 6% of annual EU sales.
The move follows years of frustration in European markets where the de-minimis threshold (goods under €150 entering duty-free) had been systematically exploited to move hundreds of millions of low-priced packages into EU countries with minimal customs scrutiny. Brussels has effectively closed that loophole for platform businesses, treating the aggregated shipments of a marketplace the same way it would treat the imports of a major retailer.
The Numbers Behind the Pressure
The scale of what these platforms have built makes the regulatory urgency understandable. eMarketer's analysis puts Temu's 2025 GMV at an estimated $22 billion globally, with TikTok Shop reaching $15 billion — the latter matching Walmart's online GMV in the U.S. IBKR Campus documents how the competitive pressure from these platforms has forced Amazon, Walmart, and other U.S. incumbents to respond with their own ultra-low-price strategies, while simultaneously lobbying for tighter regulatory treatment.
TikTok Shop grew 68% year-over-year in 2025 despite the regulatory chaos around TikTok's ownership and ongoing Congressional scrutiny. Chinese Sellers reports TikTok Shop is now actively pitching European and Japanese expansion as its next growth frontier — markets where the EU's new customs rules will apply directly from launch.
What's Happening in the U.S.
While the EU has moved legislatively, the U.S. approach has been more fragmented and reactive. The de-minimis threshold for U.S. imports — goods under $800 entering duty-free — was modified under the IEEPA tariff regime, and while that tariff authority has since been struck down by the Supreme Court, Congress is considering standalone de-minimis reform legislation. As Endcap covered earlier this year, the de-minimis issue has drawn bipartisan interest and pressure from domestic retailers who argue the rules give foreign-affiliated platforms a structural cost advantage.
The regulatory pressure is intensifying on multiple fronts. eMarketer noted that Texas is investigating Shein over forced labor and product safety concerns, while Senator Tom Cotton is urging a federal probe into intellectual property violations at both Shein and Temu. The Federal Trade Commission has signaled interest in the platforms' data practices and disclosure obligations for sponsored content.
The Broader Stakes for U.S. Retail
The EU's importer reclassification is significant because it provides a regulatory template that the U.S. could adopt without requiring new legislation — by updating how customs classifies marketplace transactions rather than changing underlying trade law. The Euromonitor analysis argues this approach could level the competitive playing field meaningfully, since U.S.-based retailers already bear the compliance costs that the EU is now imposing on foreign platforms.
For American brands and retailers who have watched their market share erode to platforms offering products at prices that are difficult to achieve under equivalent regulatory burdens, the EU's action represents the strongest regulatory signal yet that the race-to-the-bottom pricing model has limits. Whether Washington follows Brussels may be the defining regulatory question for U.S. e-commerce in 2026 and beyond.