Short answer: in most states the points follow you home. The fine is paid to the state where it happened, but the demerit points are added to your home-state licence, at your home state's point value, and your home state decides whether you lose your licence. The one big exception is Western Australia, which does not record interstate points on a WA licence.
Australia's licensing authorities share driver data, so an offence you commit in one state does not stay there. Here is the split:
Your home state's. When the offence is reported back, your home state applies the number of demerit points it would give for the equivalent offence, not the number the offence state uses. Because the states don't match, the figure can change. An offence worth 3 points in Victoria might be recorded as 4 on a NSW licence, or the other way around. So check your own state's demerit schedule, not the one on the interstate notice.
Yes, in two ways.
First, through demerit points: if the interstate points tip you over your home state's limit, your home state suspends you. And a home-state suspension stops you driving anywhere in Australia, including the state where the offence happened.
Second, through a direct suspension or court action in the offence state. Some serious offences, especially excessive or high-range speeding, carry an immediate or court-imposed suspension in the state where they occur, regardless of where your licence is from. A disqualification ordered by a court is recognised across Australia. If you are facing a serious or excessive-speed charge interstate, this is the situation to get proper legal advice on, because the outcome can go beyond a few demerit points.
Western Australia is the odd one out. WA does not record interstate demerit points against a WA licence. If you hold a WA licence and get a camera fine in another state, you still have to pay the fine, but the points are not added to your WA record. The reverse also applies: when someone moves to WA and surrenders an interstate licence, any demerit points from that licence are not transferred across. If your licence is from any other state or territory, assume the points do follow you home.
They follow you too. If you offend during a declared double-demerit period in NSW, the ACT or WA, the doubled points are reported to your home state and recorded against your licence, even if your own state does not run double demerits. The holiday long weekend you were driving through still counts.
Yes, exactly like any other fine, you just lodge it with the authority in the state where the offence happened. The grounds are the same: the offence didn't occur as alleged, the camera image is inconclusive, you weren't the driver, an error on the notice, or circumstances worth raising for leniency. Asking for a review is free and does not increase the fine. And because the points only attach once the fine stands, if the fine is withdrawn on review, no points are applied to your home licence. Fight My Fine works for all states and territories, so it will draft your review letter addressed to the right authority wherever you were fined.
In most states, yes. An offence committed anywhere in Australia is reported to your home state, which adds the demerit points to your licence, at your home state's value for the equivalent offence, not the value in the state where it happened. The one exception is Western Australia, which does not record interstate demerit points against a WA licence (you still have to pay the fine).
Your home state's. Your home state records the points and decides whether you have exceeded its limit. If you have, your home state suspends your licence, and that suspension stops you driving anywhere in Australia, including the state where the offence happened.
Yes. If the interstate points push you over your home state's demerit limit, your home state will suspend you. Separately, some serious offences such as excessive or high-range speeding carry an immediate or court-imposed suspension in the state where they happened, and a court disqualification is recognised across Australia. For a serious matter, get legal advice.
You pay the fine to the state where the offence happened (for example Fines Victoria for a Victorian fine, Revenue NSW for a NSW fine). You dispute it with that same authority, using the same grounds as any other fine. If the fine is withdrawn on review, the demerit points are not applied.
Sources: Transport for NSW, VicRoads (via Victoria Legal Aid), South Australia and the Northern Territory all confirm demerit points for an interstate offence are recorded against your home licence, applied at your home state's value for the equivalent offence, through the national driver database. Queensland confirms the same (points for an offence committed anywhere in Australia are recorded on your Queensland record). Western Australia is the exception and does not record interstate demerit points on a WA licence. Tasmania and the ACT use the same national data-sharing system, though their published demerit pages do not separately spell out the interstate rule. Rules can change, so always check your own state's licensing authority for your situation.
Fight My Fine is a self-help tool, not a law firm, and this article is general information, not legal advice. Interstate licence and disqualification questions can be complex, and serious or excessive-speed matters can carry consequences beyond demerit points. The issuing authority makes the final decision on any review. For serious matters or court, speak with a qualified lawyer or a free service such as your state's Legal Aid or community legal centre.