There are no restrictions on foreign investors investing in Thai securities. Direct and portfolio investments are freely permitted. Capital can be freely transferred into the country and deposited in a foreign currency account with an authorized bank within 7 days. Investment funds, dividends, profits and interest payments after settlement of taxes can be repatriated freely. Securities, promissory notes, and bills of exchange may be sent abroad without restriction.

Section IV of the Bank of Thailand link below discusses exchange regulations for foreign investments.

Also linked below are criteria for handling complaints for nonresidents, published by the Securities and Exchange Commission.