Introduction
For conducting business in Thailand it is mandatory for foreigners to be in the possession of a Foreign Business Operating License issued by the competent Thai authorities according to the provisions of the Foreign Business Act B.E. 2542 (A.D. 1999).
Definitions under the Foreign Business Act B.E. 2542 (A.D. 1999)
According to Sec.4 "Foreigner" means:
Natural person who does not have Thai nationality;
Juristic person not registered in Thailand;
Juristic person registered in Thailand having the following characteristics: