Guide

Customs documents for importing into Singapore: a checklist

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How Singapore customs works

Singapore Customs administers trade facilitation and enforcement for goods moving through Singapore. Most import declarations are filed electronically through TradeNet — Singapore's national single window for trade permits and customs declarations. Importers and exporters typically work with a declaring agent (also called a customs agent or freight forwarder with TradeNet access) who files on their behalf.

GST (Goods and Services Tax) on imports is administered by the Inland Revenue Authority of Singapore (IRAS) in coordination with Singapore Customs. As of 2024, GST applies at the standard rate to most imported goods above the GST relief threshold. The customs value for GST purposes in Singapore is generally computed on a CIF (Cost, Insurance, and Freight) basis.

The Competent Authority (CA) Permit — sometimes called a CCP — is a separate approval required for controlled, prohibited, or regulated goods. A TradeNet import permit alone is not sufficient if your goods fall under a controlled category. The relevant government agency (for example, the Singapore Food Agency for food products, the Health Sciences Authority for medical devices, or the National Environment Agency for chemicals) issues the CA Permit.

Core documents for every Singapore import

The following documents are required or expected for a standard commercial import into Singapore. Controlled goods require additional permits listed in the next section.

  • Commercial Invoice (CI) — the primary valuation document; Singapore Customs uses CIF value as the basis for duty and GST assessment
  • Packing List (PL) — itemises goods by carton, quantity, and gross/net weight; must match the CI
  • Bill of Lading (B/L) or Air Waybill (AWB) — transport document issued by the carrier; must be endorsed or surrendered at destination for cargo release
  • TradeNet import permit — the electronic declaration and permit filed through TradeNet; your declaring agent submits this on your behalf
  • Insurance certificate — required under CIF Incoterms; may also be requested by the bank if L/C is involved
  • Packing declaration or fumigation certificate — required for wooden packaging material (ISPM 15 compliance)

Controlled goods and CA Permits (CCP)

Many categories of goods require a Competent Authority Permit (CCP) from the relevant government agency before Singapore Customs will release the cargo. Your declaring agent is responsible for applying for the CA Permit as part of the TradeNet declaration, but you as the importer must provide the underlying product information and supporting documents.

Common controlled categories include:

Even if your goods are not in a clearly controlled category, your declaring agent may flag the need for additional documentation based on the HS code or product description. Do not assume clearance without checking.

  • Food products — regulated by the Singapore Food Agency (SFA); may require import licence and labelling compliance
  • Medical devices and health products — regulated by the Health Sciences Authority (HSA)
  • Chemicals and industrial materials — regulated by the National Environment Agency (NEA) for hazardous substances
  • Plants, animals, and biological materials — regulated by the National Parks Board (NParks) and the Animal and Veterinary Service (AVS)
  • Telecommunications and radio equipment — regulated by the Infocomm Media Development Authority (IMDA)
  • Dual-use and strategic goods — subject to Singapore Customs strategic goods controls

GST and import value

GST is levied on the CIF value of imported goods plus any customs duty. If your goods are dutiable (most goods are non-dutiable in Singapore, but certain categories such as liquor, tobacco, petroleum, and motor vehicles are), customs duty is assessed first, and then GST applies to the combined customs value and duty amount.

For goods arriving below the GST relief threshold, a permit may still be required but GST may not be collected at the border. The IRAS administers the GST rules; importers with GST registration can claim input tax credits on imported goods used for taxable business purposes.

Declaring agents are responsible for correctly declaring the CIF value in TradeNet. Providing an accurate and complete Commercial Invoice with a clear Incoterms term and value is the most effective way to avoid post-clearance queries or under/over-declaration issues.

What to prepare before your declaring agent files

Your declaring agent cannot file a TradeNet permit without the following information and documents from you. Delays at this stage are among the most common reasons for cargo holds.

  • Commercial Invoice with CIF or FOB value, HS code at minimum 6-digit level, country of origin, and seller/buyer details
  • Packing List matching the CI in quantity and product description
  • Bill of Lading or Air Waybill number (advance copy is sufficient for permit application; original required for cargo release)
  • HS code confirmation from the exporter or your own classification review — the declaring agent will verify but you are responsible for declared accuracy
  • CA Permit supporting documents where relevant: product specifications, certificates of conformity, lab test reports, registration numbers, or import licences
  • Incoterms term used on the CI — the declaring agent needs this to compute the correct customs value basis
  • Freight and insurance amounts if the CI is on an FOB basis — needed to calculate CIF for Singapore Customs

Singapore import document checklist

  • Commercial Invoice — CIF value, HS code, Incoterms, country of origin
  • Packing List — matching CI on quantity and description
  • B/L or AWB — carrier-issued, endorsed copy
  • TradeNet import permit — filed by declaring agent; you provide the data
  • CA Permit — if goods are controlled; obtain from the relevant agency
  • Insurance certificate — if CIF Incoterms or L/C requirement
  • Fumigation/ISPM 15 certificate — if wooden packaging is used
  • Certificate of origin — if claiming preferential duty under an FTA (Singapore has FTAs with ASEAN, US, EU, China, Japan, Australia, and others)
  • Additional certificates — lab reports, product registrations, or safety declarations as required by the CA

This content is informational only and is not customs, tax, or legal advice. Requirements vary by HS code, commodity, country of origin, and trade agreement. Confirm your specific permit and declaration requirements with your declaring agent, Singapore Customs, or the relevant Competent Authority before importing.

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