To Acquire Thai Nationality 

According to the Thai Nationality Act (2535 B.E.), it is possible for a person born to either father or mother of Thai nationality, within or outside Thailand, to acquire Thai nationality.
 
Most Questions Asked on Thai Citizenship

Question: 
If a person of Thai nationality is married to a foreigner and has acquired his/her spouse's nationality, does that person lose his/her Thai nationality?

Answer: 
According to the Thai law, the person still hold Thai nationality, unless he/she wishes to renounce to his/her Thai nationality by declaring his/her intention to the competent authority, or his/her Thai nationality is revoked by the Government of the Kingdom of Thailand.

Question: 
Can a person of Thai nationality, who has previously renounced his/her nationality, recover his/her Thai nationality?

Answer: 
A person is entitled to apply for recovery of Thai nationality by filing an application to the Consul.

Question: 
Can the non-Thai spouse of a Thai citizen apply for Thai nationality?

Answer: 
Even though the spouse of a Thai national is a citizen of a foreign country, he/she can apply for the Thai nationality to the Embassy of Thailand.
All relevant documents attached to the application must be certified by designated authorities.
Documents issued by the Government of a foreign country is to be examined and certified by designated authorities.
If the document is in a foreign language besides English, it must be translated into Thai, then examined and certified by the designated authorities.
If any of the attached document is a copy, it must be certified as true copy by the designated authorities.

To Apply for a Thai Birth Certificate  

1. A child born to a Thai parent outside Thailand is entitled to acquire Thai nationality, the parents can apply for a birth certificate for their child at the Royal Thai Embassy in the country of birth.

2. The following documents are required in order to obtain a Thai birth certificate :
- Certificate of Birth or Notification of Live Birth in Hebrew which can be translated into English at the Embassy (translation fee is NIS 90)
- 2 copies of the marriage certificate of the parents
- 2 copies of the passport of the father and the passport of the mother (either two Thai passports or one Israeli and one Thai passport)
- 2 copies of the identity cards of the father and of the mother

The Embassy needs 5 working days to issue a Thai birth certificate.

Death Registration 

The following documents are required

- Death certificate legalized by the Ministry of Foreign Affairs of Israel.
- A translation in Thai of the certificate.
- ID card or passport of the deceased.