For example, ABA numbers (or routing codes) identify banks in the US and Canada, Sort Codes identify banks in the UK. This IBAN validation form will verify that an entry is correct; note that it does not verify that the account exists. Just used their online search box and it will give the information you needed to fill your form. The Swift organization issues the Bank Identifier Numbers or BIC. SWIFT is the process the Commonwealth Bank uses to send money overseas (similar to BPay used for domestic payments) and a BIC is the code that the SWIFT system uses to identify banks worldwide.

Country	City	Bank Name	Branch	SWIFT
Croatia	Zagreb	Volksbank D D	Volksbank D D	VBCRHR22XXX