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:
(a) | define the logical relationships between relevant data points; |
(b) | include filters and preconditions that define a set of data to which a validation rule applies; |
(c) | check the consistency of the reported data; |
(d) | check the accuracy of the reported data; |
(e) | set default values which shall be applied where the relevant information has not been reported. |