Is it mandatory to Register domestic dogs and cats with Council?

Is it mandatory to register domestic dogs and cats?

Mandatory Council registration differs from State to State in Australia. 

State
 Name of relevant act/special conditions and requirements
 ACT
Yes for dogs, not for cats. A dog must be registered to a keeper if it is over the age of 56 days, has changed keeper for 28 days, or is owned by a person who has been a resident for 28 days. Domestic Animals Act 2000.
 NSW
Yes. A dog and cat must be registered to a keeper if it is over the age of 6 months. Companion Animals Act 1998.
 NT
 No.
 QLD
Yes for dogs. A dog over the age of 12 weeks must be registered.  For cats - in some council areas. Animal Management (Cats and Dogs) Act 2008.
 SA
Yes for dogs.  A dog of 3 months age must be registered. For cats - in some council areas. Dog and Cat Management Act 1995.
 TAS
Only for dogs. A dog over the age of 6 months must be registered. Dog Control Act 2000.
 VIC
Yes. A dog and cat must be registered if it is over 3 months old. Domestic Animals Act 1994.
 WA
Yes. A dog 3 months or older must be registered. Dog Act 1976. A cat over six months must be registered. Cat Act 2011.