For an introduction to the concept of the Data Formats and the related Implementation Guidelines see the information provided in box below
Consultations of bank customers carried out regularly to identify their requirements have revealed the pronounced need - voiced in particular by the corporate community - for standardised means of customer-to-bank communication. now provides a common set of data to be exchanged between bank customers and banks when initiating a transaction. This is a requirement of bank customers such as businesses and public administrations executing mass payments. The recently approved enhanced Implementation Guidelines applying to the customer-to-bank messages (C2B Implementation Guidelines). Harmonised C2B specifications based on the Data Format are now available with respect to the Credit Transfer Scheme and the Direct Schemes.
Ultimately, standardisation of the customer-to-bank domain will be determined by the market
The use of the Data Format is mandatory for the exchange of payments between banks. However, taking into consideration differing market practices in the countries today, the use of the Data Formats in the customer-to-bank communication is recommended by the , yet not mandated. Banks may continue to accept other formats from customers for the instruction of payments. The introduction of harmonised message standards to initiate payments based on the Data Formats provides an opportunity for customers to reach any bank in . Such a development would allow for rationalisation which in turn would significantly reduce the costs associated today with the maintenance of a multitude of payment platforms in different countries. Ultimately, customer demand will determine whether the Data Formats will be established as the standard way of instructing payments.
Going all the way: harmonised bank-to-customer messages
Ultimately, the "outcome" of a payment transaction must be communicated by a bank to the customer. This information takes place via electronic or paper-based reporting messages (reports, notifications and account statements) which inform a bank customer about payment transactions which affect his account. The benefits of fully automated end-to-end-processes for banks and their customers will be realised to their greatest extent with the provision of ISO 20022-based bank-to-customer messages applicable to payment transactions. The ISO standards necessary to allow for uniform mapping of transactions in the account statement are currently under further development by ISO itself. The opportunity of giving guidance (i.e. to create Implementation Guidelines) for the use of these ISO 20022 Cash Management messages in the area is under consideration by the . Individual communities have already set up projects on how to use those messages in the bank-to-customer domain.
Bettina Schönfeld is an advisor with the Retail Banking, Banking Technology department of the Association of German Banks; Esther Uyehara is staff member at the Secretariat and secretary of the
An introduction to the Data Formats and the Implementation Guidelines
In the world of payments processing, the role of the data format used to exchange information can be compared to the role of language in communication between people. The realisation of therefore requires agreement on common data to be exchanged in a common way between all parties involved in a payment transaction: between the payer initiating a payment and his bank, between the payer's bank and the payee's bank and eventually between the payee's bank and the payee receiving the payment. The Data Formats as specified by the with respect to the Credit Transfer Scheme and the Direct Debit Schemes represent such a set of common data for the exchange of payments, respectively.
The Data Formats are based on the international ISO 20022 XML message standards. ISO, the International Organisation for Standardisation, is the world's developer of global standards. The ISO standard 20022 (see www.iso20022.org) provides a methodology for defining business processes and the related data. In the ISO process, business requirements are defined for all global markets based on the expertise provided by all concerned stakeholder communities. Different markets have different data needs. This means that each community may need to define its own version respecting the global standard, specific to its own situation. As such, the ISO messages have been adjusted to meet the requirements. The role of in defining the Data Formats therefore consists in identifying within the global ISO standard all necessary data for making payments.
The Implementation Guidelines selects data provided by the ISO standard which are required by the Schemes. For example: The ISO standard allows several ways to identify the accounts to be credited or debited. Schemes, however, require the use of the IBAN. Therefore, the Implementation Guidelines specify the IBAN as the only permissible account identifier in whilst still being a valid subset of the global ISO 20022 XML message standard.
The has provided a set of inter-bank and customer-to-bank Guidelines for each of the three schemes: the Credit Transfer, the Core Direct Debit and the Business-2-Business Direct Debit. The main audience of these guidelines is the community of service providers developing payment solutions for banks and their customers. The Guidelines were prepared with a view to facilitating the migration of mass payments currently being processed using national data formats with varying functionalities to the instruments.
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