Visa Application

for SIIT Faculty and Staff Members

Visa Application

for Non-Immigrant visa “B” ( Work VISA )

Please read carefully:

1. You are required to apply for a Work Visa (Non-Immigrant "B") at https://www.thaievisa.go.th/ before entering Thailand.

2. It is strongly recommended to apply for the visa at least 2 months before your intended arrival in Thailand.

3. Upon arrival, your Work Visa will be valid for 90 days. You must extend your visa at the Pathum Thani Immigration Office before it expires.

4. Within 15 days of your first working day, you are required to apply for a Work Permit at the Department of Employment (Ministry of Labour) in Thailand.

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5. You must extend your visa at least one month before the expiration date by submitting a request to the Immigration Office.

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4 steps to apply for a non-immigrant B visa

step 1: Contact SIIT International Office

Please send the following documents and information to the International Office at SIIT:

A copy of the passport data page (PDF file)
The address of the Thai Embassy or Consulate where you will submit your visa application (City and Country)

Contact Person: Ms. Chonticha Patchotchai

Email address: chonticha@siit.tu.ac.th

Remark: Please contact the International Office as soon as your employment at SIIT is officially approved.

step 2: SIIT Issues Required Letters

SIIT will prepare and issue the following documents:

Official Letter (in Thai) from Thammasat University, addressed to the Thai Embassy/Consulate, requesting a Work Visa on your behalf
Acceptance Letter (in English) confirming your employment at SIIT

📝Prepared by:

Official Letter: Ms. Chonticha (International Affairs & Corporate Relations Division)
Acceptance Letter: Mrs. Hansa (Personnel Officer, Central Coordinating Division)

Both letters will be scanned and sent to you via email. You will need to upload them to the Thai E-Visa system during your online application.

📌 Processing time: Approximately 5 working days after receiving the complete documents from Step 1.

step 3: Apply for the Visa Online

Apply for your visa at: https://www.thaievisa.go.th/

Upload all required documents, including the SIIT-issued letters.
Additional documents may be required depending on the Thai Embassy or Consulate in your country.

👉 Please check the specific website or contact the Thai Embassy/Consulate for the latest and complete list of requirements.

step 4: Receive Your Visa

Once your visa application is approved, you will receive a pdf. file of your working visa from from the Thai Embassy/Consulate by email.
It might take at least 3 days for approval. For more information, kindly contact the Thai Embassy/Consulate in the country that you apply for the visa.

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