What Is Customs Clearance?
Understand the customs clearance process in Australia — what happens when goods arrive, who is involved, and how import declarations work.
Last reviewed: 2026-03-10
Customs Clearance Explained
Customs clearance is the process of getting imported goods released from government control so they can be delivered to the importer. In Australia, this process is administered by the Australian Border Force (ABF), which is responsible for controlling what enters the country, collecting customs duty and GST, and enforcing trade laws.
Every commercial shipment arriving in Australia must go through customs clearance. The process involves lodging an import declaration with the ABF, paying any applicable duties and taxes, and satisfying any regulatory requirements such as biosecurity inspections or product safety standards.
The clearance process is largely electronic. Import declarations are lodged through the ABF's Integrated Cargo System (ICS), and in many cases goods are cleared without physical inspection. However, the ABF and the Department of Agriculture, Fisheries and Forestry (DAFF) can select any shipment for examination.
The Import Declaration
The import declaration is the central document in the customs clearance process. It contains all the information the ABF needs to assess your shipment: what the goods are (tariff classification), where they came from (country of origin), how much they are worth (customs value), and what duty rate applies.
There are two types of import declaration. A Full Import Declaration (FID) is required for goods with a customs value exceeding AUD 1,000. A Self-Assessed Clearance (SAC) declaration is used for low-value goods cleared by cargo reporters (carriers and freight forwarders) on behalf of importers.
The import declaration must be lodged before the goods can be released. In practice, most brokers lodge the declaration as soon as the vessel or aircraft is reported as arriving, to minimise delays. Goods cannot leave the port, airport, or depot until the ABF has processed the declaration and any required inspections have been completed.
Tariff Classification
Every imported product must be assigned a tariff classification code, also known as a Harmonised System (HS) code. This code determines the rate of customs duty that applies to the goods. Australia uses an 8-digit tariff code system based on the international 6-digit HS standard, with additional national subdivisions.
Getting the tariff classification right is one of the most important parts of customs clearance. An incorrect classification can result in paying too much duty (overclassification) or too little (underclassification, which can trigger penalties). For complex or unusual goods, determining the correct code often requires specialist knowledge.
The Australian Customs Tariff — also known as the Combined Australian Customs Tariff Nomenclature — is the official schedule of tariff codes and duty rates. It runs to thousands of pages and is updated regularly. This is one of the key reasons importers use licensed customs brokers rather than attempting to classify goods themselves.
The Clearance Timeline
For a standard sea freight shipment with no compliance issues, customs clearance typically takes one to three business days from the time the vessel arrives and is reported to the ABF. This timeline includes lodging the import declaration, the ABF processing the declaration, payment of duties and GST, and release of the cargo.
Air freight is generally faster, with clearance often completed within hours of arrival. This is partly because air freight shipments tend to be smaller and less complex, and partly because the air cargo clearance process is designed for speed.
Delays can occur for several reasons. If the ABF selects your shipment for examination, clearance will be delayed until the physical inspection is completed. If DAFF orders a biosecurity inspection (common for food, timber, and agricultural goods), the goods must be examined by a quarantine officer. Documentation errors — such as an incorrect tariff code or missing certificate of origin — can also cause delays while corrections are made.
What Happens at the Border
When goods arrive in Australia, the carrier (shipping line or airline) reports the cargo to the ABF through the ICS. This cargo report triggers a risk assessment by the ABF's automated systems, which may flag the shipment for examination based on a range of risk factors.
If the shipment is not selected for examination and the import declaration has been lodged and duties paid, the goods receive an "authority to deal" status. This means they can be collected from the port or delivered to the importer.
If selected for examination, the goods may be physically inspected by ABF officers (for prohibited goods, narcotics, or revenue compliance), DAFF officers (for biosecurity risks), or both. The importer or their broker is notified and the goods remain under customs control until the inspection is completed and any issues resolved.
Australia also uses container scanning technology (X-ray and gamma ray) at major ports to examine containers without unpacking them. This can speed up the examination process for containers selected on a risk basis.
Official Sources
Verify the information in this guide against these official government resources.
- ABF — Importing Goods into Australia
Official guide to the import process including declarations, duties, and prohibited goods.
- ABF — Integrated Cargo System (ICS)
Information on the electronic system used for lodging import declarations.
- Australian Customs Tariff
Look up tariff classification codes and duty rates for imported goods.