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Australia has had road vehicle emission standards for new vehicles in place since the early 1970s and these have been progressively tightened over the past 45 years. Because of that, catalytic converters were found to provide an answer to the control of emissions and to provide compliance with the regulated emissions standards of the day. It appears there is no law that says a cat must be fitted but a passenger vehicle must however comply with the emissions requirements and cats can provide the answer. i.e. there could be something else that could do the job, once discovered.
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Are stoats introduced into Australia?
Stoats are not native to Australia, but they have also not yet become established in Australia. At some stage in Australia's history, stoats were introduced as a method for controlling rabbits, but they did not become established.
When did zip codes become mandatory?
Zip codes became mandatory in 1967. They were however created and put into use in 1963. Zip codes were needed as a way to help with better sorting mail.
On Australia day many new Australians take out a oath and become what?
We don't take any oath on Australia Day, only to-be citizens of Australia take an oath when they become Australian.
When did Australia become a free country?
Australia has always been a free country and hopefully will always be one.
When did Australia become a democratic nation?
1901 first of January
