General, you can use the 8-digit BIC Code (SWIFT Code) for your international bank transfers. IBAN and other types of codes are sometimes requested in conjunction with SWIFT Codes International Bank Account Number (IBAN) European countries have adopted a standard known as an International Bank Account Number (IBAN). A BIC is one of the most common forms of bank code used to identify individual banks. All of that problem just for the sake to ask for a SWIFT codes. SWIFT and BIC codes, they have all the records on all international banks.

Country	City	Bank Name	Branch	SWIFT
Taiwan	Tainan	Taya Securities CO LTD	Taya Securities CO LTD	TAYCTWT1XXX