ANNEX IV Validation rules

The data items set out in Annex I shall be subject to validation rules ensuring data quality and consistency. The validation rules shall meet the following criteria:

  1. (a)

    define the logical relationships between relevant data points;

  2. (b)

    include filters and preconditions that define a set of data to which a validation rule applies;

  3. (c)

    check the consistency of the reported data;

  4. (d)

    check the accuracy of the reported data;

  5. (e)

    set default values which shall be applied where the relevant information has not been reported.