Article 20
1. The Member States, in accordance with common rules to be laid down by the Commission, shall set up a computerised file including all the information on the projects financed under this Chapter. This data shall be made available to the Commission. 2. The Member States shall ensure that the information collected in accordance with paragraph 1 is made available to the authorities responsible for implementing the other Community or national structural assistance programmes. 3. The Member States shall take the necessary steps to effectively check that the provisions of this Chapter have been observed, in particular by carrying out administrative controls and on-site inspections. These measures shall ensure in particular that the projects financed under this Chapter have not received assistance under another assistance scheme. 4. The controls referred to in paragraph 3 shall cover all the projects financed by the Fund.