Local laws and customs in Iran:
Iran is a Muslim country in which Islamic law is strictly enforced. You should respect local traditions, customs, laws and religions at all times and be aware of your actions to ensure that they do not offend, especially during the holy month of Ramadan or if you intend to visit religious areas. It is forbidden to eat, drink or smoke in public during daylight hours only during the month of Ramadan.
In 2016, the holy month of Ramadan is expected to start on 6 June and finish on 5 July.
Islamic codes of behavior and dress are strictly enforced. In any public place women must cover their heads with a headscarf, wear trousers, and a long-sleeved tunic or coat that reaches to mid-thigh or knee. Men should wear long trousers and long-sleeve shirts.
The import, sale, manufacture and consumption of alcohol in Iran are strictly forbidden on religious grounds, with exceptions only recognized Iranian religious minorities and custom of Iran(not foreigners). Penalties can be severe.
Photography near military and other government installations is strictly prohibited. Sensitive government buildings and facilities are often difficult to identify. Take extreme care when taking photographs in any areas that are anything other than obvious tourist attractions.
Penalties for importing and possessing drugs are severe and enforced. Many individuals convicted of drug offences, including foreign nationals, have been executed.
Importing pork products is not allowed.
You should carry a photocopy of your passport for identification. Make sure you have included emergency contact details.