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.