1. A list of common indicators relating to the initial situation as well as to the financial execution, outputs, results and impact of the programme and applicable to each programme shall be specified in the monitoring and evaluation system provided for in Article 67 to allow for aggregation of data at Union level.
2. The common indicators shall be based on available data and linked to the structure and objectives of the rural development policy framework and shall allow assessment of the progress, efficiency and effectiveness of policy implementation against objectives and targets at Union, national and programme level. The common impact indicators shall be based on available data.
3. The evaluator shall quantify the impact of the programme measured by the impact indicators. Based on evidence in the evaluations on the CAP, including evaluations on Rural Development programmes, the Commission shall, with the help of the Member States, assess the combined impact of all CAP instruments.