Vietnam
Vietnamese etiquette runs on Confucian-rooted respect for age and hierarchy — greeting elders first, addressing people with kinship terms instead of names, exchanging business cards with both hands. The same taboos around chopsticks upright in rice and funeral-colored gift wrap show up in China and Japan too, but they're taken just as seriously here.
6 rules.
Category
Country
Rules in Vietnam
Present and receive business cards with both hands
VietnamBusiness
Never leave chopsticks standing upright in your rice
VietnamDining
Skip knives, clocks, and handkerchiefs as gifts
VietnamGifts
Take your shoes off just outside the door
VietnamHome
Greet the oldest person in the room first
VietnamSocial
Never point your feet at the altar or a Buddha statue
VietnamTravel