Section 301 Tariffs on China: What’s Still in Effect and How to Respond
A comprehensive guide for importers navigating additional tariffs on Chinese-origin goods
Answer Capsule: Section 301 tariffs are additional duties imposed on Chinese-origin goods under Section 301 of the Trade Act of 1974. Originally imposed in 2018–2019 across four tranches (Lists 1–4), these tariffs cover approximately $370 billion worth of Chinese imports at rates of 7.5% to 100%, on top of regular duty rates. As of 2026, most Section 301 tariffs remain in effect, with significant rate increases on strategic sectors including electric vehicles (100%), semiconductors (50%), solar cells (50%), steel and aluminum (25%), batteries (25%), and critical minerals (25%). Importers can manage their exposure through accurate classification review, supply chain diversification, product exclusion monitoring, Foreign Trade Zones, tariff engineering, and filing protective protests. The tariffs are the subject of ongoing litigation, and importers who file protective protests preserve their ability to claim refunds if courts rule favorably.
Section 301 tariffs have fundamentally reshaped the cost structure of importing from China. What began in 2018 as targeted tariffs on technology products has expanded into a sweeping trade measure affecting thousands of product categories across nearly every industry. For many importers, these additional duties – ranging from 7.5% to 100% on top of regular tariffs – have forced painful choices about pricing, sourcing, and supply chain strategy.
This guide provides a comprehensive overview of where Section 301 tariffs stand today, which products are affected, what strategies are available for managing the impact, and what importers should be doing now to protect their interests.
1. Background: How We Got Here
Section 301 of the Trade Act of 1974 authorizes the President to take retaliatory action against foreign trade practices that are unreasonable, unjustifiable, or discriminatory and that burden or restrict U.S. commerce. In 2017, the U.S. Trade Representative (USTR) initiated a Section 301 investigation into China’s practices regarding technology transfer, intellectual property, and innovation.
Based on the investigation’s findings, USTR imposed additional tariffs in four waves.
| List | Effective Date | Original Rate | Products Affected | Approximate Value |
| List 1 | July 2018 | 25% | Industrial machinery, electronics, aerospace components | $34 billion |
| List 2 | August 2018 | 25% | Semiconductors, chemicals, plastics, motors | $16 billion |
| List 3 | September 2018 | 25% | Furniture, auto parts, building materials, consumer goods | $200 billion |
| List 4A | September 2019 | 7.5% | Consumer electronics, apparel, footwear, food products | $120 billion |
List 4B, covering approximately $160 billion in additional products, was announced but never implemented due to the Phase One trade agreement signed in January 2020. The tariffs were imposed under the authority of USTR and are administered by CBP at the ports of entry.
2. Where Things Stand Now: 2025–2026 Updates
Following the conclusion of USTR’s statutory four-year review in 2024, significant changes were announced that reshape the Section 301 landscape.
Rate Increases on Strategic Sectors
USTR announced targeted rate increases that have been phased in through 2025 and 2026 on products deemed strategically important. These increases reflect the administration’s focus on reducing dependence on Chinese manufacturing in critical supply chains.
| Product Category | Previous Rate | New Rate | Effective |
| Electric vehicles | 25% | 100% | 2024 |
| Solar cells (whether or not assembled into modules) | 25% | 50% | 2024 |
| Semiconductors | 25% | 50% | 2025 |
| Steel and aluminum products | 0–25% | 25% | 2024 |
| Lithium-ion EV batteries | 7.5% | 25% | 2024 |
| Non-EV lithium-ion batteries | 7.5% | 25% | 2026 |
| Battery parts (non-lithium-ion) | 7.5% | 25% | 2024 |
| Critical minerals | 0% | 25% | 2024 |
| Ship-to-shore cranes | 0% | 25% | 2024 |
| Medical products (syringes, needles, PPE) | 0–7.5% | 25–50% | 2024–2026 |
Ongoing Litigation
The legality of the Section 301 tariffs – particularly the List 3 and List 4 tariffs – has been challenged in the U.S. Court of International Trade. In HMTX Industries v. United States and related cases, importers have argued that USTR exceeded its statutory authority by imposing tariffs beyond the scope originally contemplated in the 301 investigation and by failing to follow required notice-and-comment procedures.
The CIT has issued mixed decisions, and appeals are pending before the U.S. Court of Appeals for the Federal Circuit. The outcome of this litigation could potentially result in refunds of List 3 and List 4 tariffs for importers who filed timely protests. This is why filing protective protests remains critically important – if the courts ultimately rule against the tariffs, only importers with pending protests will be eligible for refunds.
3. Determining If Your Products Are Affected
The HTS Code Connection
Section 301 tariffs apply to products identified by their 8-digit HTSUS classification codes. USTR published lists of covered HTS codes for each tranche, and those lists have been subsequently modified through exclusions and expansions. To determine if your product is affected, you need two pieces of information: the correct 8-digit HTS classification for your product, and whether that HTS code appears on any of the Section 301 tariff lists.
The USTR maintains the official lists on its website (ustr.gov), and CBP provides implementation information through its trade remedies pages. Your customs broker should be flagging Section 301-covered entries and applying the additional duties automatically.
Country of Origin Matters
Section 301 tariffs apply only to goods with China as the country of origin. The country of origin is determined by “substantial transformation” rules – generally, the country where the last substantial transformation occurred. Goods manufactured in China but shipped through a third country (like Vietnam or Malaysia) are still Chinese-origin and still subject to Section 301 tariffs.
Conversely, goods made from Chinese components but substantially transformed in another country may not be Chinese-origin. The key question is whether the processing in the third country constitutes a substantial transformation – a fact-specific determination that depends on the nature and extent of the processing performed.
Classification Accuracy Is Critical
Because Section 301 tariffs are tied to specific HTS codes, classification accuracy directly determines whether the tariffs apply. A product classified under a covered HTS code faces the additional tariff; the same product classified under a non-covered code does not. This makes classification review one of the most important mitigation strategies – not because you should misclassify products to avoid tariffs, but because ensuring your classification is correct may reveal that your product belongs under a non-covered code.
4. Mitigation Strategies
Strategy 1: Classification Review
The first step in any Section 301 mitigation effort should be a thorough classification review. Many products can be legitimately classified under more than one HTS code, and the correct classification may or may not be on the Section 301 list. A professional classification review examines your product against the HTSUS, GRI rules, and CBP rulings to determine the most accurate classification. If that classification happens to fall outside the 301 tariff lists, you achieve relief through accuracy – not avoidance.
We’ve seen numerous cases where importers were paying Section 301 tariffs on products that were simply misclassified. A reclassification based on the product’s actual characteristics – confirmed by a binding ruling – eliminated the additional tariff entirely.
Strategy 2: Product Exclusions
USTR has periodically offered product exclusion processes that allow importers to request relief from Section 301 tariffs for specific products. Exclusions have been granted based on factors including whether the product is available from non-Chinese sources, whether the tariff causes severe economic harm, and whether the product is strategically important. Most original exclusions have expired, but new exclusion opportunities may arise, particularly in connection with the ongoing four-year review. Monitor the Federal Register and USTR announcements for new exclusion processes.
Strategy 3: Supply Chain Diversification
Shifting sourcing from China to countries not subject to Section 301 tariffs is one of the most common mitigation strategies. Popular alternative sourcing destinations include Vietnam, India, Thailand, Indonesia, Malaysia, and Mexico. However, this strategy must be executed carefully.
CBP has been aggressively investigating schemes where goods are merely transshipped through third countries – shipped from China to another country for minor processing, then re-exported to the U.S. as products of the third country. For a supply chain shift to be legitimate, genuine substantial transformation must occur in the new source country. This means meaningful manufacturing, not just packaging, labeling, or minor assembly.
Strategy 4: Foreign Trade Zones
Foreign Trade Zones offer limited but real benefits for Section 301 tariff management. While FTZs cannot eliminate Section 301 duties on goods entering U.S. commerce, they can provide duty deferral (improving cash flow), duty elimination on goods that are re-exported, and inverted tariff relief when the finished product rate (including 301 tariffs) is lower than the component rate. Evaluate whether your import profile and operational footprint make FTZ utilization worthwhile.
Strategy 5: Tariff Engineering
If your product is covered by Section 301 tariffs under its current classification, modifying the product to achieve a different – and non-covered – classification may be an option. This is standard tariff engineering applied to the specific context of Section 301 coverage. As always, the modification must be genuine, the new classification must be accurate, and a binding ruling is strongly recommended.
Strategy 6: Protective Protests
Given the ongoing litigation challenging the legality of Section 301 tariffs, filing protective protests on affected entries is one of the most important steps you can take. A protective protest preserves your right to a refund if the courts ultimately rule that the tariffs (or certain tranches) were unlawfully imposed.
Protests must be filed within 180 days of the liquidation of each entry. Many trade consultants and customs brokers offer bulk protest filing services for Section 301 entries. The cost is minimal compared to the potential refund if litigation succeeds. If you’re not already filing protective protests on your Section 301 entries, start immediately – you may have already missed the window on older entries.
5. Section 301 and Other Trade Remedies: Understanding the Overlap
Section 301 tariffs exist alongside other trade measures, and the cumulative effect can be dramatic.
Section 301 + Regular Duties
Section 301 tariffs are added on top of the regular (MFN) duty rate. A product with a 5% regular duty and a 25% Section 301 tariff faces a combined 30% effective duty rate. This stacking effect means that even moderate Section 301 rates can create significant cost increases when combined with existing tariffs.
Section 301 + Section 232
Products can be subject to both Section 301 and Section 232 tariffs. Section 232 tariffs on steel (25%) and aluminum (10%) apply based on the product, regardless of country of origin. If the product is also Chinese-origin and on a Section 301 list, both additional tariffs apply. The combined rate for Chinese steel products can reach 50% or more on top of regular duties.
Section 301 + AD/CVD
Section 301 tariffs are also cumulative with antidumping and countervailing duties. Chinese steel, aluminum, and other products subject to AD/CVD orders may face regular duties + AD/CVD + Section 301 + Section 232, with combined rates that can exceed 500%. Understanding the full stack of applicable duties is essential for accurate cost modeling.
6. Compliance Considerations
Reasonable Care in a Section 301 World
CBP expects importers to exercise reasonable care in determining whether their products are subject to Section 301 tariffs and in applying the correct additional duty rates. This means knowing the correct HTS classification for your products, monitoring which HTS codes are on the Section 301 lists, correctly determining the country of origin of your goods, ensuring your customs broker is applying the additional tariffs properly, and maintaining documentation that supports your origin and classification determinations.
Evasion Enforcement
CBP has made Section 301 evasion a top enforcement priority. Through its Trade Remedy Law Enforcement Directorate and the EAPA process, CBP actively investigates transshipment schemes, false origin claims, and classification manipulation designed to avoid Section 301 tariffs. Penalties for evasion are severe and can include additional duties, substantial civil penalties, and criminal prosecution.
If you’re considering supply chain changes to mitigate Section 301 exposure, ensure the changes involve genuine manufacturing shifts with proper documentation, not paper rearrangements designed to disguise the true origin of goods.
7. Planning for the Future
Section 301 tariffs have been in place since 2018, and there is no indication they will be removed in the near term. The most recent four-year review resulted in tariff increases rather than reductions. Importers should plan for Section 301 tariffs as a long-term feature of the trade landscape.
Build Section 301 into Your Cost Models
If you’re still treating Section 301 tariffs as a temporary surcharge, adjust your mindset. These tariffs should be built into your standard cost models, pricing structures, and sourcing decisions. Products and supply chains should be evaluated with the full tariff burden – including Section 301 – as a permanent variable.
Develop Sourcing Alternatives
Even if your current Section 301 exposure is manageable, develop alternative sourcing options. Trade policy can change quickly, and having pre-qualified suppliers in non-affected countries gives you flexibility to respond to new tariff actions. Nearshoring to Mexico (and leveraging USMCA) has become an increasingly attractive option for many importers.
Stay Informed
Monitor Federal Register notices, USTR announcements, and court decisions related to Section 301 tariffs. Policy changes – new exclusion processes, rate modifications, additional product coverage – can create both risks and opportunities. Having early information allows you to act rather than react.
Continue Filing Protective Protests
Until the litigation challenging Section 301 tariffs is fully resolved, continue filing protective protests on every affected entry. The cost is minimal, and the potential payoff – if courts find the tariffs unlawful – could be substantial. This is low-effort, high-reward risk management.
Leverage USMCA and Nearshoring
Mexico has emerged as one of the most attractive alternatives for importers seeking to reduce dependence on Chinese sourcing. Products manufactured in Mexico can qualify for duty-free treatment under USMCA, completely eliminating both regular duties and Section 301 tariffs (since the goods are Mexican-origin, not Chinese-origin). The proximity to U.S. markets also reduces shipping times and logistics costs, while the USMCA framework provides long-term trade certainty.
However, nearshoring to Mexico requires careful origin analysis. Products assembled in Mexico using Chinese components must meet USMCA rules of origin to qualify for preferential treatment, and the country of origin for Section 301 purposes must be Mexico (meaning substantial transformation must occur there). Simply assembling Chinese parts in Mexico without sufficient transformation does not change the origin and does not eliminate Section 301 exposure.
8. Industry Impact and Case Studies
Manufacturing and Industrial Components
Manufacturers who rely on Chinese-sourced components, tooling, and raw materials have been among the hardest hit by Section 301 tariffs. Many products in Chapters 72–85 of the HTSUS – metals, machinery, electrical equipment – are covered at 25% rates. Manufacturers have responded by sourcing alternative components from India, Vietnam, and Mexico; absorbing tariff costs to maintain competitiveness; passing costs to customers (where market conditions allow); investing in domestic production capacity for critical components; and implementing tariff engineering to reclassify components under non-covered HTS codes.
Consumer Electronics
The consumer electronics industry has faced particular complexity. Many electronics components (List 1 and 2 at 25%) are covered, while finished consumer electronics (List 4A at 7.5%) face lower rates. The classification of multi-function devices – which could potentially be classified under covered or non-covered headings depending on their primary function – has become a significant strategic consideration. Several importers have successfully reclassified products based on more precise functional analysis, moving them from covered to non-covered codes.
Retail and Consumer Goods
Retailers importing furniture, home goods, toys, sporting goods, and apparel from China face Section 301 tariffs across a broad product range. The 7.5% List 4A rate, while lower than the 25% Lists 1–3 rate, adds meaningful cost to low-margin consumer products. Many retailers have accelerated their China+1 sourcing strategies, developing suppliers in Vietnam, Bangladesh, Indonesia, and other countries. However, the pace of supply chain diversification is limited by quality requirements, minimum order quantities, and supplier development timelines.
9. Frequently Asked Questions
Are Section 301 tariffs permanent? There is no expiration date. Section 301 tariffs remain in effect until the President determines they are no longer needed or until a trade agreement with China results in their removal. USTR conducted a mandatory four-year review in 2024 and increased rates on strategic products rather than reducing or eliminating them. Plan for these tariffs as a long-term cost factor.
Should I file protective protests? Yes – for virtually every entry subject to Section 301 tariffs. The cost of filing is minimal, and the potential payoff if courts rule favorably is substantial. Multiple court cases are challenging the legality of List 3 and List 4 tariffs. If you don’t file protests, you cannot benefit from a favorable ruling even if the courts strike down the tariffs. Protests must be filed within 180 days of liquidation for each entry.
Can I move my sourcing to Vietnam or India to avoid Section 301? Yes, if the manufacturing genuinely occurs in the new country. The goods must undergo substantial transformation there – not just transshipment or minor processing. CBP actively investigates evasion schemes involving third-country transshipment. Ensure your new supply chain involves real manufacturing operations, with documentation to prove it.
Do Section 301 tariffs apply to goods made from Chinese materials in another country? Not if the goods are substantially transformed in the other country. The country of origin is where the last substantial transformation occurred. If Chinese steel is melted and formed into a finished product in India, the country of origin is India and Section 301 tariffs don’t apply. But if Chinese products are merely repackaged or minimally processed in a third country, the origin remains China and the tariffs still apply.
What’s the difference between Section 301 and Section 232 tariffs? Section 301 tariffs target unfair trade practices (specifically China’s IP and technology transfer policies) and apply only to Chinese-origin goods. Section 232 tariffs address national security concerns and apply to specific products (steel at 25%, aluminum at 10%) regardless of country of origin. Products can be subject to both – and the tariffs stack on top of each other and on top of regular duties.
Peacock Tariff Consulting helps importers develop comprehensive Section 301 mitigation strategies – from classification reviews and protective protest programs to supply chain analysis and tariff engineering. If you’re paying Section 301 tariffs and haven’t had a professional review of your options, visit peacocktariffconsulting.com to start a conversation.
Disclaimer: This guide is provided for informational purposes only and does not constitute legal or professional advice. Section 301 tariff rates, product coverage, and exclusion availability change frequently. Always consult with a qualified trade professional for current information and guidance specific to your products and situation.