Plant Growth Regulator Containing Inorganic Substances
CN β US| HS Code | Tariff Rate | Origin | Destination | Doc |
|---|---|---|---|---|
| 3824991100 | 35.0% | CN | US | Official Doc |
| 3808932000 | 40.0% | CN | US | Official Doc |
| 3808997000 | 40.0% | CN | US | Official Doc |
| 3105900050 | 35.0% | CN | US | Official Doc |
| 3105100000 | 35.0% | CN | US | Official Doc |
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AI Analysis
π± Plant Growth Regulator Containing Inorganic Substances (ε«ζ ζΊη©ζ€η©ηιΏθ°θε)
π HS Code Reference & Customs Clearance Guide | 2026 Latest Tariff Analysis | Professional Clearance Strategy
π I. Product Definition & Classification: What Exactly Are We Talking About?
Plant Growth Regulators (PGRs) containing inorganic substances are chemical or biological preparations used to modify plant growth, development, or physiological processes. Unlike organic PGRs (like hormones), these specifically contain inorganic salts, minerals, or metals as active or key components.
In international trade, the classification depends on two critical factors: 1. Formulation: Is it in retail packaging (ready for sale) or bulk/industrial packaging? 2. Composition: Does it primarily function as a fertilizer (nutrient provision) or as a chemical preparation (regulation/control)?
β οΈ Key Distinction:
- If the product is retail-packaged and clearly defined as a chemical preparation for plant regulation β Chapter 38.
- If the product is retail-packaged and functions primarily as a fertilizer (supplying inorganic nutrients like N, P, K, or micronutrients) β Chapter 31.
π¦ II. HS Code Classification Details (2026 Latest Tariff Authority Comparison)
Based on the provided data, here are the 5 specific HS Codes applicable to "Plant Growth Regulators Containing Inorganic Substances," along with their tax implications.
| HS Code | Product Description & Logic | Application Scenario | Packaging Type | Total Tax Rate (China Origin) |
|---|---|---|---|---|
3824.99.11.00 |
Chemical Preparations: Contains inorganic salts for plant growth regulation. Classified under chemical industry preparations. | Industrial or bulk chemical preparations where inorganic salts are the key regulating agents. | Non-Retail / Bulk | 35.0% |
3808.93.20.00 |
Pesticide/Regulator: Retail-packaged PGR containing inorganic substances. Matches use, form, and material characteristics. | Retail-ready products for agricultural or horticultural use. | Retail Packaged | 40.0% |
3808.99.70.00 |
Other Pesticide/Regulator: Retail-packaged PGR containing inorganic substances. Use matches and contains inorganic matter. | Similar to 3808.93.20.00, used if specific sub-heading for "inorganic" isn't explicitly primary. |
Retail Packaged | 40.0% |
3105.90.00.50 |
Fertilizer: Contains inorganic substances matching fertilizer material characteristics. Bottom-line category logic. | Products primarily supplying inorganic nutrients (e.g., potassium salts, calcium) for plant growth. | Non-Retail / Bulk | 35.0% |
3105.10.00.00 |
Fertilizer: Retail-packaged inorganic substances for fertilizing or nitration. Matches chemical material and packaging. | Retail-ready fertilizer products containing inorganic nutrients. | Retail Packaged | 35.0% |
π Critical Analysis:
- Retail Packaging Penalty: Products in retail packaging (3808.*or3105.10) generally face higher scrutiny or different duty calculations than bulk chemical preparations (3824.*or3105.90).
- Chapter 31 vs. Chapter 38: The core debate is Function.
- Chapter 31 (Fertilizer): If the inorganic substance is primarily a nutrient (e.g., Potassium Nitrate), use3105.*.
- Chapter 38 (Chemical Prep): If the inorganic substance is primarily a regulator/pesticide (e.g., Inhibitors, Growth Control Agents), use3808.*or3824.*.
π° III. 2026 Latest Tariff Rate Details (Including Surtaxes & Policy Add-ons)
β Applicable Country: United States (US)
β Origin: China (CN)
β Effective Date: Post-2025 (Includes subsequent imports)
All HS Codes in the provided data reflect the following cumulative tax structure:
π― Tax Component Breakdown
| Tax Component | Rate | Legal Basis / Policy |
|---|---|---|
| Base Tariff | 0.0% β 5.0% | Standard MFN (Most Favored Nation) rate. Varies by HS Code (3824 and 3105.90 are 0%; 3808 and 3105.10 are 5%). |
| Section 301 / Add-on Tariff | +25.0% | USITC Footnote: Additional duty on Chinese imports. |
| Section 122 / IEEPA Tariff | +10.0% | International Emergency Economic Powers Act (IEEPA) duty on Chinese goods. |
| TOTAL EFFECTIVE RATE | 35.0% β 40.0% | Sum of all applicable rates. |
π Detailed Explanation by HS Code Category
A. Retail-Packaged Regulators (HS Codes 3808.93.20.00 & 3808.99.70.00)
- Total Tax: 40.0%
- Calculation:
- Base: 5.0%
- Section 301: 25.0%
- IEEPA: 10.0%
- Logic: Retail packaging often triggers higher base tariffs. The combination of 5% + 25% + 10% results in a 40% effective duty.
- Risk: High. Misclassification from "Chemical Prep" to "Fertilizer" could lower the base to 0%, but requires strong proof of nutritional intent.
B. Bulk/Industrial Regulators (HS Code 3824.99.11.00)
- Total Tax: 35.0%
- Calculation:
- Base: 0.0%
- Section 301: 25.0%
- IEEPA: 10.0%
- Logic: Classified as a general chemical preparation. Lower base tariff (0%) than retail pesticide/regulator codes.
- Risk: Medium. Requires proof that it is not "retail-ready" (e.g., bulk drums, industrial containers).
C. Fertilizer Products (HS Codes 3105.90.00.50 & 3105.10.00.00)
- Total Tax: 35.0%
- Calculation:
- Base: 0.0% (for
3105.90) or 0.0% (for3105.10in this specific data context) - Section 301: 25.0%
- IEEPA: 10.0%
- Base: 0.0% (for
- Logic: Fertilizers often enjoy lower or zero base tariffs. In the provided data, both fertilizer codes result in a 35% total, which is 5% lower than the retail chemical regulator codes (
3808.*). - Opportunity: If your product can be legally defined as a fertilizer (supplying inorganic nutrients) rather than a regulator (altering growth), you save 5% on the base tariff.
π οΈ IV. Customs Clearance Practical Advice (Field Avoidance Guide)
β 1. Documentation Checklist (Non-Negotiable)
| Document | Must Provide | Explanation |
|---|---|---|
| β Certificate of Analysis (COA) | βοΈ | Must list inorganic substances (e.g., Potassium, Calcium, Zinc) and their concentrations. |
| β Product Label / SDS | βοΈ | Clearly state: "Contains Inorganic Substances," "For Plant Growth Regulation," or "Fertilizer." |
| β Usage Declaration | βοΈ | Explicitly state: "Used for nutrient supply" (for Chapter 31) vs. "Used for growth control/pesticide effect" (for Chapter 38). |
| β Packaging Proof | βοΈ | Photos of packaging. Is it Retail (small bottles, branded) or Bulk (drums, pallets)? This determines 3808 vs. 3824. |
| β Commercial Invoice | βοΈ | Must match the HS Code description exactly. Do not use vague terms like "Plant Food." |
| β Origin Certificate | βοΈ | Proves China origin, triggering the 25% + 10% surtaxes. |
β 2. Classification Strategy (Key Mnemonics)
π₯ "Retail = 3808 (40%), Bulk = 3824/3105 (35%). Nutrient = Chapter 31, Regulator = Chapter 38."
| Scenario | Recommended HS Code | Tax Rate | Reason |
|---|---|---|---|
| Retail Bottle + Growth Control Agent | 3808.93.20.00 or 3808.99.70.00 |
40.0% | Retail packaging + Pesticide/Regulator function. |
| Bulk Drum + Growth Control Agent | 3824.99.11.00 |
35.0% | Bulk packaging + Chemical Prep function. |
| Retail Bottle + Nutrient (Fertilizer) | 3105.10.00.00 |
35.0% | Retail packaging + Fertilizer function. Lower than 3808! |
| Bulk Drum + Nutrient (Fertilizer) | 3105.90.00.50 |
35.0% | Bulk packaging + Fertilizer function. |
β οΈ Strategic Tip:
If your product can be legitimately marketed as a Fertilizer (even if it has regenerative properties), classify under Chapter 31 to avoid the 5% base tariff penalty associated with Chapter 38 retail codes.
β 3. Special Situation Handling
| Situation | Handling Advice |
|---|---|
| Dual Function (Nutrient + Regulator) | Declare based on Primary Purpose. If it's sold as a "Growth Enhancer" for yield, Chapter 38 may apply. If sold as "Micronutrient Fertilizer," Chapter 31 is safer. |
| Unlabeled / Generic | DO NOT SHIP. CBP will assign a code and assess the highest applicable tariff (likely 40%) plus penalties. |
| Misclassification Risk | If declared as 3105 but contains high levels of non-nutrient inorganic chemicals (e.g., growth inhibitors), CBP will reclassify to 3808 and charge 5% more + back taxes. |
| Section 122 Compliance | Ensure all documentation explicitly states Country of Origin: China to accurately apply the 10% IEEPA tariff. Avoid vague "Made in Asia" labels. |
π V. Global Market Comparison (2026 Latest)
| Market | Recommended HS Code | Base Tariff | Surtaxes | Total Effective Rate | Notes |
|---|---|---|---|---|---|
| πΊπΈ USA | 3808.93.20.00 / 3105.90.00.50 |
0%β5% | 25% (301) + 10% (IEEPA) | 35% β 40% | Highly Sensitive. Retail vs. Bulk distinction is critical. |
| π¨π³ China | 3808.93.20.00 / 3105.90.00.50 |
0%β5% | None | 0% β 5% | No Section 301 or IEEPA. Low duty burden. |
| πͺπΊ EU | 3808.93.20.00 / 3105.90.00.50 |
0%β6.5% | None | 0% β 6.5% | Requires EU Fertilizing Products Regulation (FPR) compliance. |
| π¦πΊ Australia | 3808.93.20.00 / 3105.90.00.50 |
5% | None | 5% | No additional surtaxes. |
π Conclusion:
- The US is the only market with significant surtaxes (35-40%) for Chinese-origin PGRs.
- Chapter 31 (Fertilizer) codes are more tax-efficient than Chapter 38 (Pesticide/Regulator) codes for retail packaging (35% vs. 40%).
- Bulk shipments offer no base tariff advantage over retail fertilizer codes in this dataset, but avoid the higher 40% retail chemical rate.
π VI. Common Mistakes & Pitfalls (Lessons Learned)
β Mistake 1: Declaring Retail PGR as Bulk Chemical (3824)
π Consequence: CBP inspects packaging, finds retail bottles, reclassifies to 3808, and charges 40% instead of 35%. +$5,000 duty on $100k shipment.
β Mistake 2: Declaring Fertilizer (3105) but product contains High-Intensity Growth Regulators (non-nutrient inorganics)
π Consequence: CBP reclassifies as Pesticide/Regulator (3808), charging 40% instead of 35%. Penalties for misdeclaration.
β Mistake 3: Ignoring Section 122 (IEEPA)
π Consequence: If origin is marked incorrectly or documentation is missing, CBP may apply all possible surtaxes or hold goods for investigation.
β Mistake 4: Using vague terms like "Plant Food"
π Consequence: CBP requests clarification. If proof of "Nutrient" function is weak, they default to Chapter 38 (40%).
β Correct Practice:
"Inorganic Plant Growth Regulator, Retail Packaged, 500ml Bottle, Contains Potassium Salts for Nutrient Supply & Growth Control. Made in China."
β Select3105.10.00.00(35%) if nutrient focus is strong, or3808.93.20.00(40%) if regulation focus is strong.
π― VII. Conclusion: Precision Classification Saves 5%!
π― Remember Mnemonics:
πΉ "Retail + Regulator = 40% (3808)"
πΉ "Retail + Fertilizer = 35% (3105)"
πΉ "Bulk + Chemical = 35% (3824)"
πΉ "Bulk + Fertilizer = 35% (3105)"πΉ "Base Tariff + 25% (301) + 10% (IEEPA) = Total Duty"
π Pro Tip:
If your product contains inorganic salts but is primarily for nutritional purposes, declare it under Chapter 31 to save the 5% base tariff difference.
Always provide a Certificate of Analysis (COA) detailing the inorganic composition to support your classification.
π£ Immediate Action:
π Contact Your Customs Broker
π Provide COA + Packaging Photos
π Apply for Advance Ruling if Volume is High
π‘ Your Bottom Line Depends on This 5% Difference!
β¨ Professional Clearance Starts with Accurate Classification!
πΌ Every Percent Saved is Pure Profit!
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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.