Vegetable Growth Regulator
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3824405000 | 40.0% | CN | US | Official Doc |
| 3824991100 | 35.0% | CN | US | Official Doc |
| 3402901000 | 38.8% | CN | US | Official Doc |
| 3402905030 | 38.7% | CN | US | Official Doc |
| 3808935010 | 40.0% | CN | US | Official Doc |
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π± Vegetable Growth Regulator (Auxiliaries) β Global Trade & Customs Clearance Guide
Comprehensive HS Code Analysis | 2026 Tariff Breakdown | Strategic Customs Clearance Tactics
π Product Definition & Classification Context
Vegetable Growth Regulator Auxiliaries are chemical formulations used to enhance the efficiency of plant growth hormones in agriculture. These are typically surfactant-based or carrier agents that help regulate hormones penetrate plant tissues more effectively.
In international trade, these products fall under chemical preparations and may be classified depending on: - Primary function (e.g., surfactant, carrier, cleaning agent), - Composition (e.g., organic/inorganic chemicals), - Intended agricultural use.
β οΈ Key Classification Challenge:
The product is often a multi-purpose chemical mixture, making its HS Code classification highly dependent on the dominant function and formulation. Misclassification can lead to unexpected tariff hikes or customs delays.
π¦ 1. HS Code Classification Breakdown (2026 Official Tariff Schedule)
| HS Code | Product Description | Application Scenario | Tax Rate (Total) | Tax Detail |
|---|---|---|---|---|
3824.40.50.00 |
Chemical preparations β Plant Growth Regulator Auxiliaries (as additives) | Agricultural use as additive for plant hormones | 40.0% | Base: 5%, Additional: 25%, Section 122: 10% |
3824.99.11.00 |
Other chemical products and preparations | General chemical preparation, not elsewhere specified | 35.0% | Base: 0%, Additional: 25%, Section 122: 10% |
3402.90.10.00 |
Surface-active agents, cleaning preparations, wetting agents | Surfactant-based growth aids | 38.8% | Base: 3.8%, Additional: 25%, Section 122: 10% |
3402.90.50.30 |
Chemical preparations for cleaning or other uses | Cleaners or carriers with similar chemical nature | 38.7% | Base: 3.7%, Additional: 25%, Section 122: 10% |
3808.93.50.10 |
Insecticides, fungicides, and other plant protection products | Mixed formulations with growth regulator properties | 40.0% | Base: 5%, Additional: 25%, Section 122: 10% |
π Important Notes: - All codes include Base Tariff + 25% Additional Tariff (USITC 301) + 10% Section 122 Tariff (China-specific). - The dominant function of the product determines the correct HS Code. - Documentation must prove the productβs primary use and chemical composition.
π° 2. Detailed Tariff Structure & Legal Basis
π― 3824.40.50.00 β Chemical Preparations for Agricultural Use
- Base Tariff: 5.0%
- USITC Additional Tariff: 25.0% (under Section 301)
- Section 122 Tariff: 10.0% (China-specific)
- Total: 40.0%
- Legal Path:
HTS:3824.40.50.00βUSITC:301βSection 122
π― 3824.99.11.00 β Other Chemical Preparations
- Base Tariff: 0.0%
- USITC Additional Tariff: 25.0%
- Section 122 Tariff: 10.0%
- Total: 35.0%
- Legal Path:
HTS:3824.99.11.00βUSITC:301βSection 122
π― 3402.90.10.00 β Surface-Active Agents
- Base Tariff: 3.8%
- USITC Additional Tariff: 25.0%
- Section 122 Tariff: 10.0%
- Total: 38.8%
- Legal Path:
HTS:3402.90.10.00βUSITC:301βSection 122
π― 3402.90.50.30 β Chemical Preparations for Cleaning or Other Uses
- Base Tariff: 3.7%
- USITC Additional Tariff: 25.0%
- Section 122 Tariff: 10.0%
- Total: 38.7%
- Legal Path:
HTS:3402.90.50.30βUSITC:301βSection 122
π― 3808.93.50.10 β Plant Protection Chemical Mixtures
- Base Tariff: 5.0%
- USITC Additional Tariff: 25.0%
- Section 122 Tariff: 10.0%
- Total: 40.0%
- Legal Path:
HTS:3808.93.50.10βUSITC:301βSection 122
π Tariff Reality Check:
- All classifications carry 30β40% total duty for Chinese-origin goods. - No de minimis exemptions apply to these HS Codes. - Customs may request detailed chemical composition reports to validate classification.
π οΈ 3. Customs Clearance Strategy & Practical Tips
β 1. Required Documentation Checklist
| Document | Mandatory? | Purpose |
|---|---|---|
| Product Specification Sheet | β | Details chemical composition, concentration, and function |
| MSDS (Material Safety Data Sheet) | β | Confirms chemical safety and classification |
| Agricultural Use Certificate | β | Proves product is for vegetable growth regulation |
| Label & Packaging Photos | β | Shows intended use and compliance |
| Commercial Invoice | β | Must match HS Code and declare "Vegetable Growth Regulator Auxiliary" |
| Packing List | β | Shows quantity and packaging type |
| Certificate of Origin | β | If not China, may reduce tariff |
β 2. Declaration Best Practices
π₯ "Function First, Label Right, Document Ready!"
| Scenario | Correct Approach | Wrong Approach |
|---|---|---|
| Surfactant-based auxiliary | Use 3402.90.10.00 |
Mislabel as "fertilizer" β 50% penalty |
| General chemical mixture | Use 3824.99.11.00 |
Use "pesticide" code β 40% tariff |
| Mixed plant protection product | Use 3808.93.50.10 |
Use "cleaner" code β 38.7% |
| Additive for plant hormones | Use 3824.40.50.00 |
Use "fertilizer" code β 25% base + penalty |
β 3. Special Cases & Solutions
| Situation | Recommended Action |
|---|---|
| OEM Custom Formulation | Provide client order + formulation details |
| Exporting from Non-China | Request CO for potential tariff exemption |
| Multi-function Product | Declare based on primary function, not secondary |
| Regulatory Approval Missing | Obtain pre-approval from EPA or local agency |
| Product Used in Controlled Greenhouses | Provide usage certificate to avoid "pesticide" classification |
π 4. Global Market Comparison (2026)
| Country | Recommended HS Code | Total Duty | Certification | Notes |
|---|---|---|---|---|
| πΊπΈ USA | 3824.40.50.00 / 3402.90.10.00 |
35β40% | EPA + FDA | High scrutiny on Chinese goods |
| π¨π³ China | 3824.40.50.00 |
5β10% | CCC + Green Label | No Section 122 or 301 |
| πͺπΊ EU | 3402.90.10.00 |
0β5% | REACH + CE | No additional tariffs |
| π―π΅ Japan | 3824.40.50.00 |
0β5% | JAS | Strict chemical testing |
| π¦πΊ Australia | 3824.99.11.00 |
0β5% | APVMA | Pre-market approval required |
π Strategic Insight:
- China-origin goods face the highest duties globally due to Section 122 + USITC 301; - EU and Japan offer the most favorable treatment if pre-approved; - Consider third-country re-export to avoid high tariffs.
π 5. Common Mistakes & How to Avoid Them
β Mistake 1: Declaring as "fertilizer" β leads to higher duty + audit
β
Solution: Use "chemical preparation" or "surfactant" if applicable
β Mistake 2: Failing to provide chemical composition β customs delay
β
Solution: Submit full MSDS + formulation report
β Mistake 3: Using generic "agricultural chemical" label β classification error
β
Solution: Be specific: "Vegetable Growth Regulator Auxiliary (Surfactant-Based)"
β Mistake 4: Assuming de minimis applies β no exemption
β
Solution: Plan for full duty payment from Day 1
π― 6. Final Recommendations for Smooth Customs Clearance
πΉ Know Your Function:
Choose the HS Code that best reflects the dominant use of your product.
πΉ Document Everything:
Provide chemical specs, usage proof, and regulatory approvals upfront.
πΉ Pre-Arrange Customs Ruling:
Especially for multi-function products, seek Advance Ruling to avoid disputes.
πΉ Consider Third-Country Sourcing:
If possible, repackage or re-export from non-China origin to reduce duty burden.
πΉ Work with Experienced Customs Broker:
A broker familiar with agricultural chemical imports can save days and dollars.
π£ Call to Action
π Ready to Export Vegetable Growth Regulator Auxiliaries?
β
Contact your customs broker today
β
Request a pre-shipment HS Code ruling
β
Prepare full documentation pack
β
Avoid costly mistakes before first shipment!
β¨ Precision Classification = Lower Duty + Faster Clearance + Higher Profit
π¦ Your Next Shipment Starts with the Right HS Code!
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About HS Code Classification
The Harmonized System (HS) is an internationally standardized nomenclature developed by the World Customs Organization (WCO) to classify traded products. Over 200 countries use the HS system as the basis for customs tariffs, trade statistics, and import/export regulations.
Each HS code follows a hierarchical structure:
- Chapter (2 digits) β Broad category of goods (e.g., Chapter 84: Machinery and Mechanical Appliances)
- Heading (4 digits) β More specific grouping within the chapter
- Subheading (6 digits) β Internationally standardized breakdown, used by all WCO member countries
- National subdivisions (8-10 digits) β Country-specific extensions for further classification, such as US HTSUS 10-digit codes
Correct HS code classification is essential for smooth customs clearance, accurate duty payment, and compliance with trade regulations. Misclassification can lead to customs delays, overpayment of duties, or penalties.
When importing from CN to US, the applicable tariff rates may include:
- Most-Favored-Nation (MFN) rate β The standard duty rate applied to WTO members
- General rate β Applied to countries without trade agreements
- Trade remedy duties β Additional tariffs such as Section 301 (anti-dumping), Section 232 (national security), or countervailing duties
The information provided on this page is for reference purposes only. For official classification, please consult with your local customs authority or a licensed customs broker.