All visitors must hold a passport valid for at least six months. If you are planning to visit Iran, it is essential to ensure that your passport is valid for at least six months. This requirement applies to all visitors to the country, regardless of their nationality or the purpose of their visit. A passport meeting this requirement is necessary to be allowed entry into Iran. If your passport is set to expire in less than six months, you may need to renew it before you can travel to Iran. It is always a good idea to check the passport and visa requirements for any country you plan to visit in advance of your trip.