If you’ve owned a car, bought a used vehicle, or renewed registration, you’ve probably come across terms like Pink Slip, Blue Slip and Green Slip.
While the names sound similar, each serves a different purpose. One is an insurance policy, another is a roadworthiness inspection, and the third is used when registering certain unregistered vehicles.
Understanding the difference can help make the registration process much simpler and prevent unexpected delays when buying, selling or registering a vehicle.
What is a Green Slip?

A Green Slip is the common name for Compulsory Third Party (CTP) insurance. Before a vehicle can be registered, it must have a valid Green Slip. This insurance helps cover people who are injured or killed in a motor vehicle accident, including the driver in many circumstances.
It’s important to note that a Green Slip does not cover damage to vehicles or property. If you want protection for vehicle damage, you’ll need separate car insurance such as Third Party Property Damage or Comprehensive Insurance.
You may need a Green Slip when:
- Registering a vehicle
- Renewing vehicle registration
- Keeping a registered vehicle legally on the road
Read more: Can demerit points affect your car insurance?
What is a Pink Slip?

A Pink Slip, officially known as an eSafety Check, is a roadworthiness inspection for most light vehicles that are more than five years old.
The inspection is designed to ensure a vehicle remains safe to drive and meets minimum roadworthy standards. During the inspection, an authorised examiner may check items such as:
- Brakes
- Tyres
- Steering
- Suspension
- Lights
- Windscreen and wipers
- General vehicle condition
Once completed, the inspection results are submitted electronically to the relevant authorities.
You may need a Pink Slip when:
- Renewing registration for a vehicle more than five years old
- Your registration renewal notice requires an eSafety inspection
If a vehicle fails the inspection, repairs generally need to be completed within a specified timeframe before a reinspection can take place.
Read more: Vehicle Registration Transfer in NSW for used car buyers
What is a Blue Slip?

A Blue Slip is a more comprehensive vehicle inspection used for certain unregistered vehicles.
Unlike a Pink Slip, which focuses primarily on roadworthiness, a Blue Slip also helps verify the vehicle’s identity and compliance before it can be registered. Because of this, the inspection is generally more detailed.
You may need a Blue Slip when:
- Registering an unregistered vehicle
- Re-registering a vehicle whose registration expired more than three months ago
- Registering a vehicle brought in from another state or territory
- Registering an imported vehicle
- Registering a vehicle that no longer has number plates
A Blue Slip inspection helps confirm that the vehicle is both safe to drive and correctly identified before registration can proceed.
Pink Slip vs Blue Slip vs Green Slip
| Slip | Purpose | When it’s required |
| Green Slip | Compulsory Third Party insurance | Before registration or registration renewal |
| Pink Slip | Roadworthiness inspection | Usually for vehicles more than five years old during registration renewal |
| Blue Slip | Inspection for certain unregistered vehicles | When registering eligible unregistered, interstate or imported vehicles |
Do you need all three?

Not necessarily. Most motorists will only need a Green Slip and, once their vehicle is more than five years old, a Pink Slip when renewing registration. A Blue Slip is generally only required in specific circumstances involving unregistered vehicles.
For example:
- A six-year-old registered vehicle may need a Green Slip and a Pink Slip at renewal time.
- A vehicle brought in from another state may require a Green Slip and a Blue Slip before registration.
- A newer vehicle under five years old may only require a Green Slip.
What should used-car buyers know?
Before buying a used car, it’s worth checking whether the vehicle is currently registered.
If registration has expired for an extended period, the vehicle may require a Blue Slip inspection before it can be legally registered again. This can add both time and cost to the ownership process.
Knowing the registration status beforehand can help avoid surprises after purchase.
The bottom line
Pink Slips, Blue Slips and Green Slips each play a different role in the vehicle registration process.
A Green Slip is compulsory insurance, a Pink Slip confirms an older vehicle remains roadworthy, and a Blue Slip is used for certain unregistered vehicles before registration.
Understanding the difference can help make buying, owning and registering a vehicle a much smoother experience.
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