(4)Those divergent approaches would result in fragmentation of the internal market since administrators and users of benchmarks would be subject to different rules in different Member States. Thus, benchmarks provided in one Member State could be prevented from being used in other Member States. In the absence of a harmonised framework to ensure the accuracy and integrity of benchmarks used in financial instruments and financial contracts, or in order to measure the performance of investment funds, in the Union it is therefore likely that differences in Member States' laws will create obstacles to the smooth functioning of the internal market for the provision of benchmarks.