For DDS, what are there additional requirements for foreigners? March 11, 2020 07:36 Updated If opening a new account, submit (1) Additional Information for Client and (2) FATCA for New Account (US citizens only). Click here for the Forms. Related articles Can I buy DDS using my Peso trading account? FORMS (TRANSACTIONAL) Who can trade DDS? Why invest in DDS? Are there any restrictions on the setting of the trigger price?