Division Data validation, data management and data quality

The procedures applied for data checks shall be given, including limits of data rejection (plausibility checks) as well as the procedures that have been applied to check the consistency of the national data sets.

When gaps exist in the data, estimates based on results from other sources can be made in certain cases. These estimated data shall be indicated and the used assumptions shall be carefully documented.

Furthermore a description of the methods applied in view of the quality assurance and quality control has to be given.

The Commission may request further information from Member States if needed on the basis of annual DAR-Questionnaires.