Introduction
At its meeting in London on 18 January 2005, the Committee of European Banking Supervisors (CEBS) agreed to start a formal consultation with the banking industry and other interested parties to achieve a common framework for the reporting of the solvency ratio (COREP) by credit institutions. More information and documentation on CEBS, COREP and the consultation papers can be found at www.c-ebs.org.
COREP is now developing an XBRL taxonomy based on the published data model. To test this taxonomy, institutions are invited to participate by providing test data on a best effort basis.

Collaborating institutions will acquire through their participation in this process:

• A deeper and better understanding on the COREP reporting framework for the solvency ratio.
• A chance to provide comments on how the proposed framework works. This may help institutions to provide comments on the CEBS consultation paper.
• An early knowledge about the availability in their systems of the information that will be required in the future for solvency reporting.
  

The collaboration in this open process will also allow the Institutions to benefit from the experiences, comments, suggestions and questions posed by other members of the banking industry, market participants and XBRL experts.

Who can participate?
Any institution that has direct or indirect access to data of banking activities and is granted permission to use that information for the purposes of this exercise, like for example, credit institutions, consultant firms or any other party interested in participating.

How to participate?
Institutions wishing to participate should provide test cases that will be used for the validation of the XBRL implementation of COREP. Test cases will be provided using the Excel spreadsheet (coreptest.xlt) and attaching all the relevant documentation and comments associated to the reported test cases.

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