Category 1 MessagesCustomer Payments and Cheques
Category 2 MessagesFinancial Institution Transfers
Category 3 MessagesTreasury markets – foreign exchange, money markets and derivatives
Category 4 MessagesCollections and Cash Letters
Category 5 MessagesSecurities Markets
Category 6 MessagesTreasury markets – precious markets and syndications
Category 7 MessagesDocumentary Credits and Guarantees / Standby Letters of Credit
Category 8 MessagesTravellers Cheques
Category 9 MessagesCash Management and Customer Status
Category 0 MessagesFIN System Messages