Just had a check. A council can set a bylaw stating dogs must be leashed in certain areas. They cannot make a dog not listed as a banned breed, or one that has been responsible for aggressive behaviour, wear a muzzle.

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I am just a worthless liar.
I am just an imbecile.
I will only complicate you.
Trust in me and fall as well.
I will find a center in you.
I will chew it up and leave,
I will work to elevate you
just enough to bring you down