The Iranian visa is a one-time entry and the traveler can stay in Iran for 30 days. who have traveled to Iran for business or administration can personally apply to the Aliens Police with their passport and Iranian visa and apply for a renewal visa. It is important to note that the final decision on whether or not to renew Iran's visa is in the opinion of the Aliens Police. To extend your visa, you must personally report to the Aliens Police.
If you intend to renew your visa, it is advisable to begin the visa renewal process within 1-3 days of the expiry date. Iranian visas can be renewed at foreign national police offices in major Iranian cities such as Tehran, Isfahan, Shiraz, Mashhad and Tabriz. These offices are usually crowded so it is advisable to visit these offices in the morning to make the visa renewal process faster.
your visa will be renewable for up to 30 days if the Aliens Police agree. This means that you can stay in Iran for up to 60 days. Iran's visa may be renewed for the second time. If the Aliens Police agree, you may also stay in Iran for up to 90 days. It should be noted that extending your visa up to 90 days will be relatively difficult.