For countries where IBAN is not supported, the table below lists the required parameters for using BBAN instead.
| Country | Code | Required | One or Both Parameters |
| Australia | AU | bban | routingCode |
| Canada | CA | bban | routingCode |
| China | CN | bban | bic / routingCode |
| Hong Kong | HK | bban | bic |
| India | IN | bban | routingCode |
| Japan | JP | bban | bic / routingCode |
| Malaysia | MY | bban | bic |
| Mexico | MX | bban | bic |
| Singapore | SG | bban | bic |
| South Africa | ZA | bban | bic / routingCode |
| South Korea | KR | bban | bic |
| USA * | US | bban | bic / routingCode |
* routingCode is the recommended choice for the USA