There are no nation-wide Acts regarding the welfare of companion animals. Instead, each state is responsible for its own legislation. But there are a few Codes, Standards and Guidelines that are nationally recognised. Others are being developed in an aim to have some consistency in general practice across the country.
Name of Code/Standard/Guideline
National Model Codes of Practice
Australian Animal Welfare Standards and Guidelines
Australian Code of Practice for the Care and Use of Animals for Scientific Purposes 7th Edition 2004
National Code of Practice for Recreational and Sport Fishing 2010
Other informative sites regarding animal welfare legislation, guidelines, standards and codes of practiceAnimal Ethics Infolink