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Driving & transportHow to11 min read · verified

How to register a car in Australia

Registration, compulsory third party insurance and stamp duty are three separate charges and every state handles them differently. This covers transferring a used car, registering from interstate, inspections and renewals.

Short answer

Vehicle registration is run by each state and territory, not federally. Buying a used car means transferring the registration within a short deadline, paying stamp duty and, in some states, providing an inspection certificate. Compulsory third party insurance is bundled into the registration fee everywhere except New South Wales.

There is no national vehicle registration in Australia. Each state and territory runs its own scheme, sets its own fees, applies its own inspection rules and issues its own plates, and moving across a border means starting again with a new authority. The word 'rego' means the same thing everywhere; almost nothing else about the process does.

The most consequential difference is compulsory third party insurance — the cover that pays for injuries you cause to other people. In most states it is bundled into the registration fee, sometimes with a choice of insurer and sometimes not. New South Wales is the outlier: there, you buy a compulsory third party policy, still commonly called a green slip, from an insurer first, and you cannot register the vehicle until you have one. People moving to New South Wales routinely try to renew and discover this the hard way.

The second is inspections. Some states require a safety inspection certificate before a vehicle can be sold or transferred, some require periodic inspections once a vehicle passes a certain age, and some require neither for ordinary passenger vehicles. Whether the seller or the buyer is responsible also varies, and getting it wrong stops the transfer rather than merely delaying it.

The third is timing. Transfer deadlines after a sale are short — measured in a couple of weeks in most jurisdictions — and missing them attracts a late fee at best. Meanwhile the registration stays in the seller's name, which means toll notices, parking fines and speed camera notices go to them, and unwinding that afterwards is tedious for both parties.

What you are actually paying for

Registration itself is the fee for having the vehicle recorded and permitted on the road. It typically combines a base registration charge with a component reflecting the vehicle's weight or type, and in several jurisdictions a road safety or traffic improvement levy.

Compulsory third party insurance covers injury to people — drivers, passengers, pedestrians, cyclists — caused by the use of your vehicle. It does not cover damage to any vehicle or property, including your own. This is the most misunderstood point in Australian motoring: a registered vehicle is not an insured vehicle in any ordinary sense, and comprehensive or third party property insurance is a separate product you buy privately.

In most states and territories the compulsory third party premium is collected as part of the registration invoice. In some of those you choose which licensed insurer underwrites it and the price varies; in others it is set. In New South Wales it is entirely separate: you obtain a policy from an insurer and then register, and the price varies significantly by insurer, vehicle, driver age and postcode, so it is worth comparing.

Stamp duty, or motor vehicle duty, is a state tax payable when a vehicle changes hands. It is calculated on the purchase price or the market value, whichever is higher, which means a bargain private sale does not necessarily reduce the duty. Concessions exist in some states for certain vehicle types and buyers, including in several jurisdictions for low-emission and electric vehicles.

Then there are the smaller items: plate fees, an administration or transfer fee, and in some states an inspection fee. None is large individually and together they add a few hundred dollars to what people budget for.

The sum of all of this differs substantially between states for an identical vehicle. That is worth knowing when comparing an interstate purchase, because the sticker price is not the whole comparison.

Transferring registration after buying a used car

Check the vehicle before money changes hands. A Personal Property Securities Register search costs a small fee, takes a minute and tells you whether there is money owing on the vehicle, whether it has been recorded as written off, and whether it is reported stolen. Buying a car with finance owing means the financier can repossess it from you, and you have no claim on the vehicle. This is the highest-value few dollars in the entire transaction.

Check the registration status and expiry independently through your state's transport authority, which usually offers a free registration check by plate number. Confirm the vehicle identification number on the car matches the paperwork.

Get the inspection certificate sorted according to your state's rules. In several jurisdictions the seller must provide a current safety or roadworthy certificate before the vehicle can be sold or transferred; in others the obligation falls differently or does not exist for ordinary vehicles. Agree in writing who is obtaining it before you hand over money.

Complete the transfer paperwork with the seller. Most states now allow the seller to lodge a notice of disposal online immediately and the buyer to complete the transfer online, which is faster and protects both parties. The seller's notice of disposal is what stops fines and tolls continuing to reach them.

Lodge the transfer within your state's deadline, which is commonly around two weeks and is strictly applied. You pay stamp duty at this point, calculated on the price or market value.

Arrange compulsory third party cover if your state requires it separately, and arrange your own comprehensive or third party property insurance from the moment you take possession. There is no grace period on the latter and a collision on the drive home is entirely your problem.

Keep the receipt, the transfer confirmation and the inspection certificate. If a dispute arises later about who owned the vehicle on a particular date, these are what resolve it.

Registering a vehicle that is not currently registered

A vehicle with expired registration, one brought in from another state, or one being registered for the first time follows a different path from a straightforward transfer.

Interstate transfers require you to register in your new state and surrender the old registration. Most jurisdictions expect this within a set period of becoming a resident, and it usually involves an identity check, proof of address, an inspection of some kind and often a check that the vehicle identification number matches the interstate record. Plates change, and the old plates generally have to be returned or destroyed according to the previous state's rules.

Cancelling the old registration matters financially. Several states refund the unused portion of registration and, where applicable, the compulsory third party premium, but only from the date you cancel rather than the date you left. Nobody does this for you.

A vehicle whose registration has lapsed generally cannot simply be renewed after a certain period; it has to be inspected and registered afresh. The threshold varies, so check before letting a registration expire on a vehicle sitting in a driveway.

Imported vehicles have a further layer. A vehicle must comply with the national vehicle standards administered federally before a state will register it, and evidence of that compliance is required at registration. This is a genuinely involved process for a personally imported vehicle and it should be resolved before the car is shipped, not after.

Unregistered vehicle permits exist in every jurisdiction for the legitimate need to move an unregistered vehicle — to an inspection, to a buyer, to a workshop. They are short-term, they specify the route or purpose, and they include compulsory third party cover for the period. Using one is cheap; not using one is not.

Inspections and roadworthiness

The broad patterns differ enough that generalising is risky, but the shape is this. Some states require an inspection certificate whenever a vehicle is sold or transferred, obtained by the seller and valid for a limited period. Some require periodic inspections for vehicles above a certain age at each renewal. Some require inspections only for particular categories — heavy vehicles, taxis and rideshare, modified vehicles, vehicles being registered from interstate.

What an inspection covers is fairly consistent: brakes, steering, suspension, tyres, lights, windscreen, seatbelts, structural condition and exhaust. It is a safety check, not a condition report, and passing it says nothing about whether the engine is sound or the transmission is about to fail.

This is the distinction that costs buyers money. A safety certificate is not a pre-purchase inspection. A pre-purchase inspection by a mechanic or a motoring club costs more, takes longer and looks at mechanical condition, service history and signs of accident repair. On a used car of any value it is worth several times its price, and it is the single most commonly skipped step.

Modified vehicles need engineering approval in most states before they can be registered, and modifications that have not been approved can invalidate registration and insurance. Buying a modified car without checking whether the modifications are certified transfers that problem to you.

Written-off vehicles are recorded on state registers and on the national written-off vehicle register. Statutory write-offs generally cannot be re-registered at all. Repairable write-offs can sometimes be re-registered after a rigorous inspection, and the status stays on the record permanently, which affects both insurability and resale value.

If a vehicle fails an inspection, you get a report listing the defects. The vehicle cannot be registered until they are rectified and it passes a re-inspection, and depending on the defect it may not be legal to drive it away.

Renewals, cancellations and refunds

Renewal notices are issued before expiry, but the obligation to renew does not depend on receiving one. A notice lost in the post is not a defence, and registration authorities increasingly send notices by email or app, which means an old email address quietly breaks the reminder.

Most jurisdictions allow renewal for different periods — commonly six or twelve months, sometimes three. Shorter periods usually cost more in total because fixed administrative components are charged each time, so the shorter option is a cash flow choice rather than a saving.

Renewing usually requires any due inspection to have been completed first, and in New South Wales it requires a current compulsory third party policy. The renewal will simply not process without these, which is why leaving it to the last day is a bad idea.

If you sell, scrap or stop using a vehicle, cancel the registration. You generally get a refund of the unused portion of the registration fee and, where applicable, the compulsory third party premium, calculated from the date of cancellation. Plates usually need to be returned. Money is genuinely left on the table here every day.

Concessions exist in every state for pensioners and some other groups, and they are meaningful — often a substantial discount or exemption on the registration component. They are not applied automatically in every jurisdiction; you generally have to claim them.

If you cannot afford a renewal, contact the transport authority before the expiry rather than after. Payment plans and short-term registration periods exist in several states, and both are better than an unregistered vehicle.

Driving unregistered, and the traps

Driving an unregistered vehicle is an offence in every state and territory, with a substantial fine and in some cases demerit points. That is the visible consequence.

The invisible consequence is much worse. An unregistered vehicle has no compulsory third party cover, which means if you injure someone the statutory scheme's protection does not apply in the ordinary way and you can be pursued personally for the cost of their injuries. Those claims run to very large sums. Your comprehensive insurance is also likely to be void, because policies almost universally require the vehicle to be registered.

The related trap is registration expiring without anyone noticing, usually because a renewal notice went to an old address or an old email. Check the expiry date on your own record rather than relying on a reminder arriving. Most states let you check by plate number for free in seconds.

Another is the seller who does not lodge a notice of disposal. Until they do, they remain the recorded owner, and toll notices, parking fines and camera offences continue to be issued to them. Sellers should lodge it the same day; buyers should complete the transfer promptly so the record matches reality.

Buying a vehicle registered in another state and leaving it that way is a further trap. It is generally permissible only while you genuinely reside in that state, and using an interstate registration to avoid higher local costs is both an offence and a way to have an insurance claim contested.

Finally, note that registration, licensing and infringement records now flow between states considerably better than they once did. Unpaid fines in one state can prevent registration or licence renewal in another, and the practice of moving interstate to escape them no longer works.

Key takeaways

  • Registration is run by each state and territory, so fees, inspection rules, transfer deadlines and plates all change when you cross a border.
  • Compulsory third party insurance covers injury to people only — not damage to any vehicle or property — and in New South Wales you must buy it before you can register.
  • Transfer deadlines after a sale are short, and until the seller lodges a notice of disposal, tolls and fines continue to be issued to them.
  • A safety or roadworthy certificate is not a pre-purchase inspection: it checks basic safety items on one day and says nothing about mechanical condition.
  • Driving unregistered means no compulsory third party cover and a likely void comprehensive policy, so an at-fault injury can be pursued against you personally.

Who to contact

At a glance

Who registers
Each state and territoryNo national scheme; each has its own authority and fees
Three charges
Registration, CTP, stamp dutySeparate items even when they appear on one invoice
CTP
Bundled, except in NSWIn NSW you buy a policy before you can register
Transfer deadline
Short — commonly around two weeksCheck your state; late transfers attract a fee
Inspections
Vary by state and vehicle ageSome states require a certificate to sell or transfer
Stamp duty
Payable on transferCalculated on purchase price or market value, whichever is higher
Before buying
Run a PPSR checkShows finance owing, written-off and stolen status
Unregistered
Permits existDriving unregistered risks a fine and no CTP cover
Questions people also ask

How to register a car in Australia — FAQ

How do I transfer a car registration after buying it?

Run a PPSR check before paying, confirm the registration status, obtain any inspection certificate your state requires, then lodge the transfer with your state transport authority within the deadline — commonly around two weeks. You pay stamp duty at transfer, calculated on the purchase price or market value, whichever is higher.

Is CTP insurance the same as car insurance?

No. Compulsory third party insurance covers injury to people caused by your vehicle. It does not cover damage to any vehicle or property, including your own. Comprehensive and third party property insurance are separate products you buy privately. A registered vehicle is not an insured vehicle in the ordinary sense.

Do I need a roadworthy certificate to sell my car?

It depends on the state. Several jurisdictions require the seller to provide a current safety or roadworthy certificate before a vehicle can be sold or transferred; others require it only for certain vehicles or not at all for ordinary passenger cars. Check your state transport authority and agree in writing who is obtaining it.

What happens if I drive an unregistered car?

It is an offence in every state, with a substantial fine and sometimes demerit points. More seriously, there is no compulsory third party cover, so if you injure someone you can be pursued personally for very large sums, and your comprehensive policy is likely void because it requires the vehicle to be registered.

How do I register a car I brought from another state?

Register with the transport authority in your new state within its required period, and cancel the old registration to claim a refund of the unused portion. Expect an identity check, proof of address, an inspection and a vehicle identification number verification. Plates change, and the old plates usually must be returned or destroyed.

Can I get a refund if I sell my car mid-registration?

Usually yes. Most states refund the unused portion of the registration fee and, where it is bundled, the compulsory third party premium, calculated from the date you cancel rather than the date you sold. You generally need to return the plates. Nobody does this automatically, so you have to apply.

What is a written-off vehicle and can it be registered?

A vehicle recorded on the written-off vehicle register after significant damage or theft. Statutory write-offs generally cannot be re-registered at all. Repairable write-offs can sometimes be re-registered after a rigorous inspection, and the status remains on the record permanently, which affects insurability and resale value.

Read next

Sources & provenance

Facts verified

  1. 1.Vehicle registration OfficialNSW GovernmentUsed for: New South Wales registration overview, including the separate CTP requirement
  2. 2.How to register a vehicle OfficialNSW GovernmentUsed for: Steps, documents and inspection requirements for registering in NSW
  3. 3.Registration basics OfficialNSW GovernmentUsed for: What the registration fee covers and how CTP fits alongside it
  4. 4.Transferring or cancelling registration OfficialNSW GovernmentUsed for: Notice of disposal, transfer deadlines, stamp duty and refunds on cancellation
  5. 5.Renewing vehicle registration OfficialNSW GovernmentUsed for: Renewal periods, inspection prerequisites and what happens if a notice is not received
  6. 6.Written-off vehicles OfficialNSW GovernmentUsed for: Statutory and repairable write-offs and whether they can be re-registered
  7. 7.Unregistered vehicles OfficialNSW GovernmentUsed for: Unregistered vehicle permits and the consequences of driving without registration
  8. 8.Registration OfficialQueensland GovernmentUsed for: Queensland registration where CTP is bundled with a choice of insurer
  9. 9.Register a vehicle OfficialQueensland GovernmentUsed for: Queensland first-time and interstate registration requirements
  10. 10.Transfer registration OfficialQueensland GovernmentUsed for: Transfer deadlines, duty and the seller's obligations in Queensland
  11. 11.Safety certificates and roadworthiness OfficialQueensland GovernmentUsed for: What a safety certificate covers and when one is required
  12. 12.Registration types OfficialQueensland GovernmentUsed for: Conditional, seasonal and other registration categories
  13. 13.Registration OfficialGovernment of South AustraliaUsed for: South Australian registration, renewal periods and concessions
  14. 14.Stamp duty on vehicles OfficialGovernment of South AustraliaUsed for: How vehicle stamp duty is calculated on price or market value
  15. 15.Registration OfficialNorthern Territory GovernmentUsed for: Northern Territory registration, inspections and compulsory third party arrangements
  16. 16.Register or transfer your vehicle OfficialNorthern Territory GovernmentUsed for: NT transfer process and interstate registration requirements
  17. 17.Registration OfficialACT GovernmentUsed for: ACT registration, renewals and inspection requirements
  18. 18.Vehicle registration and transfer OfficialACT GovernmentUsed for: ACT transfer process and duty
  19. 19.Registration OfficialDepartment of State Growth, TasmaniaUsed for: Tasmanian registration, transfers and compulsory third party arrangements
  20. 20.Licensing OfficialDepartment of Transport, Western AustraliaUsed for: Western Australian vehicle licensing, the state's term for registration
  21. 21.Personal Property Securities Register OfficialAustralian Financial Security AuthorityUsed for: The national register of security interests over vehicles and other property
  22. 22.Do a used car or vehicle search OfficialAustralian Financial Security AuthorityUsed for: How to check finance owing, written-off and stolen status before buying
  23. 23.Understand your car search result OfficialAustralian Financial Security AuthorityUsed for: Interpreting a PPSR certificate, including what it does and does not cover
  24. 24.Service NSW OfficialService NSWUsed for: Where NSW registration transactions are lodged
  25. 25.Renew vehicle registration OfficialService NSWUsed for: NSW renewal requirements including a current CTP policy and any due inspection
  26. 26.Transport Accident Commission OfficialTransport Accident CommissionUsed for: Victoria's compulsory injury scheme funded through the registration charge
  27. 27.Office of Road Safety OfficialAustralian GovernmentUsed for: National road safety strategy and vehicle safety context

Not a source — AI-assisted analysis on this page

  • AI-assisted analysis — what 'fully registered' does not tell a buyerThe argument that the phrase 'fully registered' is systematically misread as a statement about roadworthiness, encumbrance and mechanical condition, and the resulting recommendation to treat a PPSR search, a written-off register check and a pre-purchase mechanical inspection as the three checks that address what registration does not, is our characterisation. State transport authorities and the PPSR publish what each check covers but do not frame the gap in these terms.

Registration processes, transfer deadlines, inspection requirements, compulsory third party arrangements, unregistered vehicle permits and written-off vehicle rules come from the individual state and territory transport authorities cited above, each of which is the only authority for its own jurisdiction. Encumbrance and write-off checking comes from the Personal Property Securities Register, operated by the Australian Financial Security Authority. Registration fees, stamp duty rates, compulsory third party premiums, transfer deadlines, inspection age thresholds, concession amounts and fine levels differ by state and change regularly, and are deliberately not quoted here so this page cannot go quietly out of date — get current figures from your own state or territory authority. Where this page describes patterns across states, confirm the position for your own jurisdiction before acting. One passage is marked as AI-assisted analysis.

Facts on this page are taken from the sources listed above — Australian government departments, regulators, statutory bodies and official statistical releases. Comparisons, judgements and "which option suits whom" conclusions are AI-assisted analysis written over those sources; they are marked in the text and listed as an AI-analysis entry in the sources, not attributed to any authority. Rates, thresholds, fees and processing times change, often at the start of a financial year; figures are current as at the review date shown and should be confirmed with the responsible agency before you rely on them for money or legal decisions.