HS Code 3827.61 : Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a)
MODULE 2: EXTRACTABLE ANSWER (AEO / SPEAKABLE)
Tariff data verified: July 2026
EN (Official WCO)
FR (Pending)
ES (Pending)
The 6-digit Harmonized System (HS) code for containing other hydrofluorocarbons (hfcs) but not containing chlorofluorocarbons (cfcs) or hydrochlorofluorocarbons (hcfcs), containing 15 percent or more by mass of 1,1,1-trifluoroethane (hfc-143a) is 3827.61. Under the 2026 Singapore (Singapore Customs), the representative MFN general duty rate is 0% [Singapore Customs].
MODULE 3: SIGNATURE A: HS DECODE VISUAL HIERARCHY
Chapter 38
Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included
Heading 3827
Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included
Subheading .61
.61
Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a)
MODULE 4: SIGNATURE B: TARIFF MATRIX
Import Duty Rates by Destination
United StatesUnited KingdomEuropean UnionCanadaMexicoChinaJapanIndiaAustraliaSouth KoreaGermanyNetherlandsBrazilTürkiyeChinese TaipeiVietnamThailandIndonesiaMalaysiaSingaporeSaudi ArabiaUnited Arab EmiratesSouth AfricaEgyptIsraelChileColombiaPeruPhilippinesPakistanNew ZealandNorwayNigeriaKenyaMoroccoArgentinaEcuadorBangladeshUkraineKazakhstanQatarKuwaitOmanJordanBahrainSri LankaTunisiaGhanaCôte d'IvoireGeorgiaCambodiaPanamaCosta RicaDominican Republic
Singapore (Singapore Customs / Freeport 2026)
3827.61
MODULE 5: SINGAPORE FREEPORT & GST BREAKDOWN
SINGAPORE FREE PORT REGIME
0% customs duty — Singapore is a free port. Standard commercial imports enter customs-duty free, subject only to 9% GST calculated on CIF value.
Notice: Singapore customs clearance, 9% GST assessment, and specific excise duty (liquors, tobacco, petroleum, motor vehicles) are governed by Singapore Customs and IRAS. Verify declarable trade permits at customs.gov.sg prior to import.
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MODULE 6: Mandatory Customs Entry Document Matrix
Rule-Derived Customs Entry Package Checklist
UNIVERSAL DOCUMENT
Commercial Invoice
Itemized description, currency, Incoterms, seller/buyer details, and country of origin.
UNIVERSAL DOCUMENT
Packing List & Bill of Lading
Gross/net weight, container/seal numbers, piece count, and transport B/L or Air Waybill.
AGENCY-CONDITIONAL (PGA)
FDA Prior Notice / USDA Phytosanitary Cert
Rule-derived from verified PGA flag: Mandatory prior notice filing and health certificate.
MODULE 7: Regulatory Compliance & Partner Government Agency (PGA) Flags
ACE PGA Message-Set Flags:
EPA (EP1): EPA Pesticide Notice of Arrival (NOA) Form 3540-1
Official ACE program code: ACE/PGA [FDA 21 CFR 1.276].
MODULE 8: SG Trade Remedies & Safeguards
Singapore Customs Anti-Dumping / Trade Defence
Standard 2026 Singapore Free Port Trade Schedule
Steel & Commodity Safeguards
Exempt (Non-Steel Commodity)
Regulatory Compliance Status
Standard Statutory Clearance
MODULE 9: Free Trade Agreements (FTA) & Rules of Origin (RoO)
Browse all preferential trade calculators & compliance tools in our Customs Tools Hub ↗.
| Agreement Code | Trade Agreement / Program | Preferential Rate | Rules of Origin (RoO) Requirement |
|---|---|---|---|
| MFN | WCO Most-Favoured-Nation (MFN) Status | Standard MFN Rate | Applies to all WTO member states for Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a). |
| FTA | SG Preferential & Regional Trade Agreements | Free / Concessional | Subject to official Certificate of Origin & Rules of Origin (RoO) requirements. |
MODULE 10: Logistics, Freight & Transport Specifications
Standard 20ft Container
~28 CBM / 28,000 kg Payload
Standard 40ft High-Cube
~68 CBM / 28,600 kg Payload
Stowage Factor & Handling
Standard commercial packaging for Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a)
MODULE 11: Singapore Customs Advance Tariff Ruling
Legally binding advance classification rulings issued by Singapore Customs for HS 3827.61.
Query official Singapore Customs portal:
Search Official Singapore Customs Portal for 3827.61 →Singapore Declarable Tariff Lines (3827.61)
National line-level (8/10-digit) detail for Singapore (Singapore Customs): coverage in progress.
Universal 6-digit WCO backbone applied rate: 0%. Confirm the full national commodity code at the official source (Singapore Customs).
MODULE 12: Candidate Subheadings & Related Codes
| Related HS Code | Heading Category | Action |
|---|---|---|
| 3827.11 | Subheading under Heading 3827 | HS 3827.11 undefined Duty & Entry Rules → |
| 3827.12 | Subheading under Heading 3827 | HS 3827.12 undefined Duty & Entry Rules → |
| 3827.13 | Subheading under Heading 3827 | HS 3827.13 undefined Duty & Entry Rules → |
| 3827.14 | Subheading under Heading 3827 | HS 3827.14 undefined Duty & Entry Rules → |
Official Primary Sources & Authority References
Singapore Customs Official Trade Portal ↗
Official Singapore free port schedule, GST 9% rules, and dutiable goods excise rates.
Singapore Customs Advance Classification Ruling System ↗
Singapore Customs binding advance tariff classification rulings database.
MODULE 14: Frequently Asked Questions (FAQ) & Operational Guide
What is the 6-digit WCO tariff classification and Singapore (Singapore Customs) general duty for Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a)?
Under WCO Harmonized System 2022 and Singapore (Singapore Customs), Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a) is classified under HS 3827.61 (Heading 3827, Chapter 38). The representative SG MFN general duty rate is 0%.
How is HS 3827.61 distinguished within Heading 3827 (Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included)?
Heading 3827 covers Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included. Subheading 3827.61 specifically isolates Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a). Importers must verify whether physical characteristics, processing state, or composition require alternative subheadings under Heading 3827.
What are the primary candidate subheadings related to HS 3827.61?
Related subheadings under Heading 3827 include 3827.11, 3827.12, 3827.13, 3827.14, 3827.20, 3827.31, 3827.32, 3827.39. Classification depends on processing stage, decaffeination, purity, or material form.
What mandatory commercial entry documents are required to import Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a)?
Commercial Invoice (detailing Incoterms, currency, and origin), Packing List, Bill of Lading (or Air Waybill), CBP Form 7501 Entry Summary, and a continuous customs bond are required for formal entries.
Can goods under HS 3827.61 enter duty-free under USMCA or Free Trade Agreements?
Yes. Eligible goods originating in Mexico, Canada, South Korea, or Australia enter duty-free under preference SPI codes (P, KR, AU) provided they satisfy Regional Value Content (RVC) or tariff-shift rules with a valid Certificate of Origin.
What is the US formal entry threshold for shipments of Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a)?
Commercial shipments of Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs), Containing 15 percent or more by mass of 1,1,1-trifluoroethane (HFC-143a) with a customs value exceeding $2,500 USD require formal customs entry (CBP Form 7501) and a continuous entry bond. Informal entry applies to lower values.
How can an importer obtain a binding CBP classification ruling for HS 3827.61?
Importers may submit an e-Ruling request under 19 CFR Part 177 to CBP National Commodity Specialist Division (NCSD) to obtain a legally binding tariff classification ruling prior to importation.
Does Singapore levy customs duty on imports of HS 3827.61?
Singapore is a free port and levies 0% ad-valorem customs duty on virtually all goods. However, a 9% Goods and Services Tax (GST) applies to all imports, and specific excise duty applies to alcohol (Ch 22), tobacco (Ch 24), petroleum (Ch 27), and motor vehicles (Ch 87).
What is Singapore's de minimis GST exemption threshold?
Singapore has NO de minimis GST exemption since 2023. All imported goods, including low-value goods (LVG) purchased online, are subject to 9% GST.
Which agency regulates customs entry and GST in Singapore?
Customs permits, 9% GST assessment, and advance tariff classification rulings are administered by Singapore Customs under the Ministry of Finance.
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