If your child is born in Victoria, it's a legal requirement to register the birth within 60 days. There's no fee to do this.
If your child is born outside of Victoria in some circumstances it is still possible to register the birth in Victoria.
Births in another state or territory of Australia
Register the birth in that state or territory. List of other registries.
On the way to Victoria
A child born during a flight to a Victorian airport, or onboard a ship on its way to a Victorian port, can be registered in Victoria. Otherwise the birth must be registered in the state, territory or country of birth.