Just be polite and well mannered and follow your company's policy if they have one.

What experience has taught me is: Everyone does it WRONG, except for me.

Can you be more specific?

Hello Fanny, Again what do you mean by behaving " behaving badly or behaving correctly" .Does "behaving badly" have to do with dealing with foreigners in particular?If you behave badly that would be a general attitude whether with foreigners or locals.Do you rather mean behaving in a way that is not comprehensible to foreigners ?I think you are using the wrong term when saying " behaving badly" ,it is rather differently . You can read about other countries habits, customs ,traditions and manners,their culture in general and their general dispositions,before you travel there or deal with its people. You might act in a way that is not in accordance with the customary moods and attitude toward the life in the foreign country . The foreign person ,knowing that you are a foreigner yourself could tolerate your attitude then and just gives you a hint if the attitude seemed too odd . There will be always a set of habits or conducts differing from one culture to the other such as eating habits , clothes , work etiquette. Reading about other countries main customs will help you deal with them easier. What you call "behaving badly" could be a difficulty to adapt to certain conversational styles that you are not familiar with,which would limit ideas exchange with the foreigner and possibly embarrasses you. In cross- cultural relations both parties should appreciate and respect the differences of the other culture. None of the parties is behaving badly ,it is just that cultures collide because of misunderstandings or difference in language ,habits etc.

kindly make your question little bit clear so every body here can give you a good idea.