1. Passport or travel document with validity not less than 6 months.
2. Photograph of the applicant, taken within the past six months.
3. Details of accommodation in Thailand
4. Travel Booking confirmation
5. Evidence of adequate finance (at least 400,000,000 IRR)

Additional supporting documents, as determined by purposes of visit 

1. To study in a basic education level (primary, elementary, and secondary school
   1. Approval letter from concerned authority under the Ministry of Education
   2. Letter confirming enrollment details from school signed by authorized person together with a copy of ID card or passport of the signer
   3. School’s registration certificate or license to establish an educational institute issued by the competent authority or Private Education Commission
   4. Letter from the institute addressed to the Royal Thai Embassy in Tehran 
2. To study in a short course (Thai or English language)
   
   1. Approval letter from concerned authority under the Ministry of Education
   2. Letter confirming enrollment details from school signed by authorized person together with a copy of ID card or passport of the signer
   3. School’s registration certificate or license to establish an educational institute issued by the competent authority or Private Education Commission
3. To study in a higher education level (university and college)
   1. Letter confirming enrollment details from school signed by authorized person together with a copy of ID card or passport of the signer
   2. Academic certificate from previous education level
   3. University’s registration certificate or license to establish an educational institute issued by the competent authority or Private Education Commission
   4. Letter from the institute addressed to the Royal Thai Embassy in Tehran
   5. Proof of no criminal records (not more than 3 months)
4. To undertake curricular internship (part of educational programme)
   1. Letter confirming the curricular internship from the visa applicant’s university/educational institute
   2. Letter confirming the internship/participation in a programme from the company/international organization
   3. Letter from the institute addressed to the Royal Thai Embassy in Tehran
5. To attend workshop training or seminar organized by International Organisation
   
   1. Letter confirming the internship/participation in a programme from the international organization
   2. Proof of current employment
   3. Letter from the organisation addressed to the Royal Thai Embassy in Tehran

NB: 
- Consular officers reserve the right to request additional documents as deemed necessary.