Common indicators
Article 109
1. A list of common indicators relating to the initial situation as well as to the financial execution, outputs and results of the operational programme and applicable to each operational programme shall be specified in the monitoring and evaluation system provided for in Article 107 to allow for aggregation of data at Union level. 2. The common indicators shall be linked to the milestones and targets established in the operational programmes in accordance with the Union priorities set out in Article 6. Those common indicators shall be used for the performance review referred to in Article 21(1) of Regulation (EU) No 1303/2013, and shall allow assessment of the progress, efficiency and effectiveness of policy implementation against objectives and targets at Union and programme level.