It's+adjective (shoes)
It's expected/polite to remove your shoes outside when entering a residence.
Verb-ing (greet women with a kiss)
Greeting women with a kiss is OK.
It's+adjective (allow the eldest person)
It's polite/ok to allow the eldest person to enter the room first in business meetings.
Verb-ing (beef)
Ordering beef at a buiness meal in India is not OK.
It's+adjective (apologize for your lack of fluency)
It's appreciated to apologize for your lack of fluency if you do not speak French.
Verb-ing (joke in a business context)
Joking in a business context is not appreciated in Germany.
It's+adjective (saying "no")
It's considered rude to say no during business discussions.
Verb-ing (leave the office)
Leaving the office for a lunch that lasts 2 hours or more is common in France.
It's+adjective (handshake and nod)
It's ok/common/polite to accompany a handshake with a nod.
Verb-ing (thank)
Thanking your host at the end of a meal is considered insulting.
It's+adjective (women stick out a hand)
It's common for/that women to/x stick out if they prefer a handshake.
Verb-ing (reciprocate a nod)
Reciprocating a nod is good manners in Germany.