1. You should be on time
2. You shouldn't pass food from one pair of chopsticks to the other.
3. You should bring your Business Card
4. You shouldn't bring outside food into restaurants
5. You should say “ itadikimasu” before eating ,especially if you’re being treated
6. You shouldn't use the phone in trains and elevators
7. You shouldn't make loud gulping noises when drinking
8. You shouldn't drink or eat while walking
9. You should cover your mouth with your other hand when using toothpick.
10. You shouldn't use your chopsticks to point at somebody.