If you are in Thailand then you should be aware of signs like this one as there are heavy fines. I spotted this sign at a gas station where it is illegal to smoke or drink alcohol. In fact, these days you cannot buy alcohol in convenience stores in gas stations. That includes Mini Big C and Lotus Express. In addition it is illegal to drink alcohol in vehicles. Doesn’t matter if you are the driver or passenger. The poster also says “no drugs” but that should be an obvious rule for countries like Thailand.