Conformity assessment
Article 4
1. The conformity assessment procedure referred to in Article 8(2) of Directive 2009/125/EC shall be the internal design control set out in Annex IV to that Directive or the management system set out in Annex V to that Directive. 2. For the purposes of the conformity assessment pursuant to Article 8 of Directive 2009/125/EC, the technical documentation shall contain the information set out in point 3 of Annex II to this Regulation. 3. Where the information included in the technical documentation for a model has been obtained by calculation on the basis of design, or extrapolation from other models, or both, the technical documentation shall include details of such calculations or extrapolations, or both, and of tests undertaken by manufacturers to verify the accuracy of the calculations undertaken. In such cases, the technical documentation shall also include a list of the models that served as the basis for the extrapolation and of all other models where the information contained in the technical documentation was obtained on the same basis.