Are sub-national jurisdictions permitted to have smoke-free laws?
Yes
If yes, are they allowed to be more stringent than national law?
Yes
If yes, do one or more sub-national jurisdictions have smoke-free laws more stringent than national law?
Yes
A brief comment on the extent of sub-national legislation:
In Australia, restrictions and prohibitions on smoking generally fall within the jurisdiction of the States and Territories. All States and Territories have laws prohibiting and/or restricting smoking in public places, workplaces, and public transportation.
