The short version, by state
Australia regulates pet identification at the state and territory level. The detail varies, but the structure is similar in every jurisdiction:
- A council registration tag is usually required, attached to the collar.
- A microchip is mandatory for dogs (and cats, in most states), with details registered on a government or industry database.
- A name-and-contact tag is recommended but not always legally required — and that's the gap most owners stumble into.
The list below is a current 2026 summary. Always check your local council and state department for the latest details — laws change, and councils sometimes have their own rules on top of state law.
State-by-state outline
New South Wales
- Microchip: Mandatory for dogs and cats by 12 weeks or before sale/giveaway, whichever's first. Details registered on the NSW Pet Registry.
- Lifetime registration: Required for dogs and cats, separate from microchipping. Once paid, lasts the life of the pet.
- Council tag / ID: Council-issued tags are required when the dog is in a public place. ID with owner name and contact is recommended; some councils require it.
- Where it bites: out-of-date NSW Pet Registry details. The chip's only useful if your phone and address are current on the registry.
Victoria
- Microchip: Mandatory for dogs and cats from 8 weeks. Details registered on a state-approved registry (Central Animal Records, Australasian Animal Registry, etc.).
- Council registration: Required annually for dogs and cats. The council issues a numbered tag.
- ID tag: Owner-name-and-contact tag required on dogs in public spaces under most council bylaws.
- Where it bites: annual rego tags are sometimes the only "ID" on a tag — the rego number tells the council who you are, but a finder who picks up your dog has no fast way to convert that number into your phone.
Queensland
- Microchip: Mandatory for dogs and cats from 12 weeks.
- Council registration: Annual, council-issued tag.
- Tag in public: Most councils require a tag with owner name and address on dogs in public.
- Where it bites: Queensland's mix of urban and rural means tag practices vary heavily by council.
Western Australia
- Microchip: Mandatory for dogs from 3 months and cats from 6 months.
- Lifetime registration: Required for dogs (some categories are annual) and cats.
- Tag: Council registration tag required when in public; owner-contact tag strongly recommended.
South Australia
- Microchip: Mandatory for dogs and cats from 12 weeks.
- Registration: Annual, council-administered, tag issued.
- Tag: Owner-contact tag required when the dog is off the owner's premises.
Tasmania
- Microchip: Mandatory for dogs from 6 months. Cats from 4 months from 1 July 2022.
- Council registration: Required for dogs.
- Tag: Council tag required in public.
ACT
- Microchip: Mandatory for dogs and cats.
- Registration: Lifetime, ACT-administered.
- Tag: Required, with owner contact.
Northern Territory
- Microchip: Required by most NT councils (Darwin, Palmerston, Litchfield) but the rules vary by council.
- Registration: Annual, council-administered.
- Tag: Council tag in public; owner-contact tag strongly recommended.
What 'required' misses
The common pattern: a dog has a council registration tag and a microchip, no owner-contact tag. They get out, a stranger finds them. The stranger doesn't know which council the rego tag belongs to. They can't reach you. They take the dog to a vet, who scans the chip, who calls the registry, who tries to call you on the number you registered four years ago — which is wrong now.
That whole chain takes hours-to-days when the right tag would have closed the loop in two minutes.
The legal floor is microchip + council tag. The practical floor is microchip + council tag + owner-readable contact tag with current info.
What we'd put on a tag in any Australian state
Whichever state you're in, the smart minimum is:
- Pet's name + your mobile — readable to any finder, no app or scan required.
- Microchip notice — "I'M CHIPPED" so a finder knows to take the pet to a vet/pound if you're unreachable.
- Council rego tag — required by your state. Doesn't replace the contact tag.
If you want the contact details to stay current as life changes — new phone, new address, new vet — go QR. That's literally the boring problem PawAWhere solves.
Disclaimer
This is a 2026 summary based on publicly-available state legislation and council bylaws. It's not legal advice. If you're navigating a complaint, fine, or dispute, talk to your local council or a lawyer.