Thai military service for luk khrueng: what embassies say

What can this page tell you, and what can’t it?

This page collects what official Thai embassy pages say about military registration for Thai men living abroad, with links to each one. It can show you the usual ages, the forms and the deferment route.

It can’t tell you whether the law applies to you personally, whether you qualify for any exemption, or what would happen in your case. Only Thai authorities can, through your embassy. Every case depends on your papers.

Does Thai conscription apply to men living abroad?

The embassy pages we read say yes, for men who hold Thai nationality.

• Oslo: “The law applies to all men holding Thai nationality, both residing in Thailand and abroad.” And: “Any Thai male with several citizenships, holding Thai birth certificate is obliged by law to undergo conscription.”
• Brussels: “Every Thai male citizen is required by law to join the military draft.”
• Bern (a 2019 note to the Swiss authorities about adopted Thai children): a boy who keeps Thai nationality keeps Thai “rights and duties as Thai national, particularly the duty of the military services in Thailand”.
• Singapore (on its page about Thai birth certificates): “It is mandatory for Male applicants to serve National Service in Thailand.”

The Thai birth certificate is often where this starts. The Thai passport guide explains how it is issued, and our guide to Thai dual citizenship covers holding two nationalities.

When do you register for สด.9?

Registration gives you the certificate สด.9 (sor dor gao, written “Sor Dor 9” on embassy pages). It is done at your local district office in Thailand; the 2019 Bern note says the district of your domicile, and Brussels lists your Thai house registration among the documents. Embassies describe the age a little differently:

Washington DC adds that registering late “may result in legal action for non-compliance”, which “could include a fine of up to 300 baht.”

What happens at 20 and 21?

1. At 20: the call-up notice. Oslo and Washington DC say that men who hold สด.9 collect a call-up notice, สด.35 (sor dor saam sip haa, “Sor Dor 35”), during the year they turn 20. Oslo says an authorised person can collect it for you.
2. At 21: selection day. Oslo says military selection takes place once a year, from 1 to 12 April, and that “Not attending military service selection is against conscription.” The 2019 Bern note also says that at 21 a Thai boy “must have presence” at the selection.

These pages don’t explain how selection works on the day, so we don’t either.

Can you defer if you study abroad?

Yes, embassy pages describe a deferment for students abroad. Washington DC: “Deferments will only be granted for reasons related to education” and “Other reasons will not be considered.”

The usual route, from the Oslo, Washington DC and Brussels pages:

1. Get a letter from your school or university confirming your studies, in English, with a Thai translation. Oslo lists what it must show (your name, the institution, academic year, major, admission date and expected graduation). Brussels wants it legalised by the Belgian or Luxembourg foreign ministry first.
2. Gather your Thai documents. Embassies list a valid Thai passport, Thai ID card, house registration, and copies of สด.9 and, if you have it, สด.35.
3. Send them to your embassy for legalisation. Oslo asks you to email them first; review can take up to 4 weeks. Washington DC says processing takes about 15 business days. Fees differ (Oslo: 150 NOK; Washington DC: USD 15).
4. Your parents or an authorised person file the request at your district office in Thailand. Oslo says the embassy “is not an authorised agency for the military service deferment”. Thai authorities decide, and issue a deferment document, สด.41 (sor dor sii sip et, “Sor Dor 41”).
5. Check the timing. Oslo recommends sending documents before the end of January each year. Brussels says that after graduation you join “the first available military draft”, and Oslo says you must appear in person at the district office when the deferment ends.

What don’t the embassy pages say?

We looked for these and found no official answer:

• An exemption for dual nationals born abroad. None of the embassy pages we read mentions one. The Washington DC and Brussels pages don’t mention dual nationals at all.
• Whether serving in another country’s armed forces counts. No official page we found says so.
• “Just don’t register.” You’ll see this advice on forums. We found no official basis for it, and the embassy pages say the opposite.
• The full consequences of missing a step. Apart from the Washington DC fine, no page we read sets them out.

If any of these matter to you, put the question to your embassy in writing.

Which questions should you bring to your embassy?

A calm, short email works. You might ask:

1. “I was born in [country] to a Thai [mother/father] and hold a Thai birth certificate. Does the military registration duty apply to me?”
2. “Which district office am I registered under, and can someone register me there with a power of attorney?”
3. “I am studying in [country] until [year]. What do you need for a deferment, and by when?”
4. “I am over 21 and never registered. What should I do now?”
5. “Is there anything I should know before I travel to Thailand on my Thai passport?”

Asking is always fine, and the earlier the better.

We re-check this guide at least every 90 days.

Thai words on this page are a draft until a native speaker has reviewed them.