Large retailers in Scotland are now banned from displaying cigarettes and tobacco products.
The ban will be rolled out to smaller shops in 2015.
Health campaigners say the law - which is already in force in England - will help stop young people smoking.
However, many retailers claim there is no evidence it will make a difference.
Kathryn Samson reports:
More top news
Outbreaks of sleet or snow, breezy and turning very cold, the wind chill making temperatures feel like sub-zero. Warnings for snow and ice
Cumbria Police are looking to recruit more than 100 new police constables, just months after the force had been threatened by budget cuts.
The River Kent is being dredged again after more storms at the end of January washed up to 100 tonnes of gravel back downstream