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Data providers and users also expressed a wish to increase harmonisation and coherence in order to improve data comparability and usefulness and be able to do more with fewer resources. It was also proposed to reduce burden by improving the use of administrative data registers, reusing data collected once multiple times, and harmonising concepts and definitions across legislation, domains and databases. In December 2016 the Impact Assessment Report was published. In it is mentioned that harmonised EU policies such as the CAP, a policy using almost one third of the EU budget, need high-quality data comparable across Member States to target policy interventions most efficiently, effectively and fairly. This can only be ensured by common and coordinated action in the European Statistical System (ESS).
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