ISO 9362 (also known as SWIFT-BIC, BIC code, SWIFT ID or SWIFT code) defines a standard format of Business Identifier Codes approved by the International Organization for Standardization (ISO).It is a unique identification code for both financial and non-financial institutions.hen assigned to a non-financial institution, the code may also be known as a Business Entity Identifier or BEI. These codes are used when transferring money between banks, particularly for international wire transfers, and also for the exchange of other messages between banks.