Most foreign nationals who wish to enter Thailand are required to obtain a visa prior to entering the country. However, there are some foreign nationals who are prohibited from entering the country. The Immigration Act of Thailand (1979), Chapter 2 “Entering and Departing the Kingdom” provides a list of the types of foreign nationals who are prohibited from entering Thailand. The following foreign nationals are prohibited from entering Thailand.

1. Aliens who have no genuine passport or valid document in lieu of passport cannot enter Thailand except for special circumstances.
2. Aliens who do not have any way of supporting themselves while in Thailand.
3. Aliens who entered Thailand to be employed as an unskilled or untrained laborer, or work in violation of the work permit laws.
4. Aliens who are mentally unstable or have a communicable disease as described by Ministerial Regulations.
5. Aliens who have not been vaccinated against smallpox or any other disease and having refused to be vaccinated by an immigration doctor.
6. Aliens who have been imprisoned by any Thai or foreign court except for petty offense, negligence, or exemption provided by ministerial regulation.
7. Aliens who are a possible danger to the public, a public nuisance, a danger to the security or peace of the nation, or under warrant for arrest by officials of a foreign government.
8. Aliens who are believed to be involved in prostitution, human trafficking, drug smuggling, or other types of smuggling that is contrary to public morality.
9. Aliens who do not have the required money or bond as required by ministry regulations.
10. Alien who have been prohibited entry by the Minister for reason of safeguarding the public peace, culture, morality, or welfare.
11. Aliens who have previously been deported or their right of stay has been revoked by the government of Thailand or another foreign country unless exempted by the Minister.

If a competent government official discovers a forbidden foreign national inside of Thailand as described on the forbidden list, the government official has the authority to issue a written notification for them to leave. The foreign national can appeal the decision to the Minister. The order of the Minister is final and cannot be appealed.

 
Visit ThaiEmbassy.com to apply for a visa to Thailand.