When importing large or complex machinery into Australia, how you structure the shipment can make a significant difference to cost, compliance, and clearance time. According to Stephen Roberson, Customs Manager at International Cargo Express (ICE), one of the most common (and costly) mistakes importers make is misunderstanding how split consignments work, and when they don’t.

What Is a Split Consignment (and Why It Matters)?

A split consignment occurs when a complete machine is broken down into multiple shipments rather than arriving as a single unit. This often happens when machinery is too large, heavy, or impractical to ship in one piece. While Australian Customs legislation allows for split consignments, Stephen explains that the rules are strict, and timing is everything.

“If a machine arrives in separate pieces without being correctly declared as a split consignment, Customs and Quarantine will assess each item on its own,” Stephen says. “Instead of one incomplete machine, they’ll see a conveyor, a robotic arm, motors, nuts and bolts — all treated as separate imports.”

That distinction is critical, because once a shipment is assessed as individual components, each part is classified under its own HS code, duty rate, and compliance requirements.

When Can Goods Qualify as a Split Consignment?

Under Australian customs law, goods can only be treated as a split consignment if all components of the machine were:

• Fully manufactured
• Available and ready for shipment
• Located at the same place
• At the same time

Crucially, this must be organised before the cargo is shipped, not after it’s already on the water or at the wharf.

“This isn’t something you can fix after the fact,” Stephen notes. “If the paperwork isn’t in place before shipping, Customs won’t recognise it as a split consignment.”

How the Split Consignment Process Works

When ICE manages a split consignment, the process is carefully structured to ensure compliance from the outset. This typically includes:

• A formal letter from the manufacturer confirming the entire machine was completed and ready for shipment at one time and place
• A main commercial invoice covering the complete machine
• Pro forma invoices for each sub-shipment, all clearly linked back to the main invoice

This documentation allows Australian Customs to legally treat all arriving components as parts of one complete machine, rather than unrelated individual imports.

The Biggest Advantage: Duty and Tariff Savings

The primary benefit of a compliant split consignment is financial. When all parts are treated as a single machine, the duty rate applied is the one relevant to the finished machine, not the individual components.

“The finished machine could be duty-free. If you lose split consignment status, suddenly a motor might attract 5% duty, a conveyor belt another rate, and so on. Those costs add up very quickly”, Stephen explains.

Beyond duty, documentation and compliance checks also become simpler when everything is assessed as one machine rather than multiple standalone items.

Is Split Consignment Always Cheaper From a Freight Perspective?

Not necessarily. While breaking a machine into smaller shipments may sound more cost-effective, Stephen cautions that this approach often introduces additional costs, including:

• Extra handling and lifting
• Crating and packaging
• Disassembly and reassembly
• Multiple freight movements and ports

“You’d only go down this path if shipping the machine whole isn’t possible. For example, if it’s too large for conventional shipping, requires flat racks, or different transport modes, or needs to move through different ports.” Stephen adds.

Best Practice: Plan Before You Ship

ICE will always aim to move machinery as a single unit where possible. If that’s not feasible, split consignment becomes Plan B, but only when it’s properly structured from the start.

“The key takeaway is preparation. If it’s going to be split, you must have everything lined up before the goods leave the factory. Once they’re on the water, your options are extremely limited.” Stephen says.

Need Advice Before You Ship?

Split consignments can deliver major cost savings and smoother clearances, but only when done correctly. ICE’s in-house customs consultancy team works with manufacturers, suppliers, and importers before shipping to ensure machinery is structured, documented, and declared the right way from day one.

If you’re planning to import complex or oversized machinery into Australia, talk to ICE early. It could save you significant time, money, and compliance headaches down the line.