In the UK...
1. ... do stand in a queue when you wait for a bus or to pay for something in a shop.
2. ... don't spit on the street.
3. ... do burp loudly after a meal.
4. ... don't apologise if you bump into somebody on the street.
5. ... do say ‘please' and ‘thank you' at every opportunity.
6. ... don't cover your mouth when you yawn or sneeze.
7. ... don't greet people with two kisses.
8. ... don't pick your nose in public.