Basic medical care and medicines are available in the principal cities of Iran. Consumption of alcoholic beverage is banned. Women must be modestly covered and wear a headscarf. Male and female segregation is usually observed in public gatherings. Eating in public is forbidden during the daytime in the fasting month of Ramadan when Muslims abstain from all food and drink, from dawn till sunset, as a religious observance.
Business is male dominated.
A handshake with a slight bow on arrival and departure is the norm. Men shake hands only with men and women with women. Exchange business cards on meeting. Get names right and try to pronounce them right. In formal meetings, putting your hands in your pockets, chewing gums and blowing your nose loudly is impolite.