Essential Stages of the Work Document Legalization Process for Thailand: What You Must Know

Working in Thailand is a dream for many professionals, offering promising career opportunities in sectors like tourism, manufacturing, and technology. However, before you can start your journey, documents such as diplomas, employment reference letters, and birth certificates must undergo a rigorous legalization process. This ensures a smooth application for your Non-Immigrant B Visa and Work Permit.

The legalization process involves several agencies in both Indonesia and Thailand, typically taking 2–4 weeks depending on document completeness. Following this specific sequence significantly increases your chances of approval.

Step-by-Step Document Legalization Roadmap

the Work Document Legalization Process for Thailand

1. Gather Original Documents

Collect original bachelor’s degrees, academic transcripts, or recommendation letters from previous employers.

Pro Tip: Ensure there are no suspicious marks or alterations, as these trigger immediate rejection. Prepare high-quality color photocopies of every page as backups.

2. Translation by a Sworn Translator

Documents in Indonesian must be translated into English by a Sworn Translator registered with the Ministry of Law and Human Rights or the Supreme Court.

Cost: Expect to pay between IDR 200,000 and IDR 500,000 per page. The Thai Embassy only accepts English versions (Thai translations are usually handled later upon arrival in Thailand).

3. Notarization of Originals and Translations

Take both the originals and the translations to a Notary Public. The notary verifies the authenticity and attaches a legal stamp (Materai).

Purpose: This acts as a bridge to government agencies, proving the documents are free from forgery.

Read Also: Work Ethics and Corporate Culture in Thailand Are the Secret to Asian Business Success

4. Legalization at the Ministry of Law and Human Rights (Kemenkumham)

Submit your documents to the Directorate General of AHU (General Legal Administration). You can apply online via the AHU website for a faster queue.

Importance: This stamp confirms the document’s legal status at a national level—a mandatory requirement for the Thai Department of Labour.

5. Legalization at the Ministry of Foreign Affairs (Kemlu RI)

Next, visit the Consular Service Center at the Ministry of Foreign Affairs. Use the SIMKIM application to book an appointment.

Validity: The Kemlu stamp is a prerequisite for the Thai Embassy and is valid for a maximum of 6 months.

6. Legalization at the Royal Thai Embassy in Jakarta

Visit the Consular Section during morning hours (09:30–11:30). Bring the application form, your passport, and the documents stamped by Kemlu.

Fee: Approximately IDR 210,000 per document, with a processing time of at least 5 working days.

7. Final Legalization at the Thai Ministry of Foreign Affairs (MFA)

Once you arrive in Thailand, you must take the documents to the Department of Consular Affairs in Bangkok for the final stamp.

Requirement: This step makes your documents fully legal within Thai territory and is often required by local authorities to issue the actual Work Permit.

Read Also: Top 10 Industries in Thailand with the Highest Number of Foreign Workers

8. Non-Immigrant B Visa and Work Permit Application

Apply for the Non-B Visa using your legalized documents and a company invitation letter. Once in Thailand, apply for the Work Permit at the Department of Labour within the first 30 days.

Note: You will need a medical check-up and a valid WP3 form from your sponsoring company.

9. Prepare Additional Supporting Documents

Include a Police Certificate (SKCK), a medical certificate, and the original employment contract.

Condition: For most foreign professionals, the contract must state a minimum salary (usually 50,000 Baht for Westerners/certain nationalities, though this varies based on the country of origin).

10. Anticipating Obstacles and Practical Tips

  • Check Validity: Legalization stamps usually expire after 6 months; if they expire, you must restart the process.
  • Buffer Time: Start the process at least 2 months before your departure date.
  • Professional Services: If you are short on time, professional agencies offer “full packages” ranging from IDR 2–5 million.

The legalization process for Thailand is extensive but essential for a stable career in the “Land of Smiles.” By following these steps in order and ensuring every stamp is obtained, you pave the way for a successful professional life abroad.

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