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:
Although there is no provision to this effect in the 2012 law, sub-national jurisdictions are known to have smoke free laws and these have been more stringent than previous smoke free measures in force in Viet Nam.
