concurrence of the ministries and departments concerned; investing or other activities relation to
investing subject to the provisions of the law on investment promotion; transit journey; being the
person in charge of the crew of a conveyance coming to port, station or area in the Kingdom; study
or observation; mass media; missionary work under the concurrence of the ministries and
departments concerned; scientific research or training or teach in a research institute in the
Kingdom; the practice of skilled handicraft or as a specialist; and other activities as prescribed in
the ministerial regulation.
The alien who is allowed to take up residence in the Kingdom must apply for a Residence
Certificate from the Commissioner-General of the Royal Thai Police or from a competent official
deputized by the Commissioner-General of the Royal Thai Police within 30 days from the date
receiving written notification from a competent official.
Any alien who has the following qualifications may apply for naturalization as a Thai:
1.
has attained sui juris status under Thai law and his national law,
2.
has good conduct and gainful occupation,
3.
has taken up residence within the Kingdom for an uninterrupted period of not less than
5 years prior to the date of applying for naturalization and has such knowledge of Thai language as
prescribed by law. The above requirements may be waived for a person who has performed
distinguished service to Thailand or who is a child or wife of a person who has been naturalized as a
Thai or has recovered Thai nationality or who used to have Thai nationality.
It is under the discretion of the Prime Minister, to grant or to reject any application for
naturalization. A favoured application shall be presented to His Majesty the King for approval.
Naturalization shall take effect upon its promulgation in the Government Gazette.
