The Amity Treaty between Thailand and the United States was entered into during the Vietnam conflict era. At the time, there were close relations between the US and Thailand. The U.S. and Thailand ratified the Amity Treaty in 1968.
Subsequent legislation has made it more difficult for foreigners to do business in Thailand and, as a result, the Amity Treaty, at the present time, provides a relative advantage to Americans doing business in Thailand. However, it is important to be aware that the Amity Treaty does not grant the right to immigrate, the right to own land, the right to a visa nor the right to work. 

Benefits: Excluding the seven stated exceptions enumerated in the Amity Treaty, Americans have rights the same as any Thai national with regards to owning and operating businesses in Thailand. These same rights are reserved for Thai nationals in the United States. However, because the U.S., unlike Thailand, has no restrictions regarding foreigners doing business in the U.S., benefits are rarely claimed by Thai nationals under this treaty. It should be noted however, that they do retain the right of applying for Treaty Trader and Treaty Investor visas under the US immigration laws as a result of the Treaty.

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