Curiosity about dispensary requirements

Today i took a trip to my local Curaleaf, one of the dispos in my area that i dont visit often because of location. During check out, the person who was checking me out said it was state mandated that i leave with my purchase in a bag. This was odd to me because my "home" dispo has never required this. Funnily enough the person outright said to me "i dont know why the other places dont do it".

So i figured i would come here and ask out of curiosity. I know they are required to waste paper on shit like those info pamphlets, but bags?