All visa applicants must submit their applications personally with following documents to the Consulate Section of the Iranian Embassy in Bangkok:
1-Original Passport
4-Authorisation Number or Visa grant notice From Ministry of Foreign Affairs of I.R. Iran*
5-Two Passport Size Photo
6-Visa Fee
* Applicants can obtain their authorization number via relatives, host parties for business in Iran, or via travel agencies related to Iran in Thailand.