Article 21Information folder
1.The applicant shall provide the approval authority with an information folder which includes the following:
(a)an information document, including a list of reference fuels and, where requested by the manufacturer, any other specified fuels, fuel mixtures or fuel emulsions referred to in Article 25(2) and described in accordance with the delegated acts referred to in Article 25(4) (‘the information document’);
(b)all relevant data, drawings, photographs and other information relating to the engine type or, where applicable, the parent engine;
(c)any additional information requested by the approval authority in the context of the EU type-approval application procedure.
2.The information folder may be provided in paper form or in an electronic format that is accepted by the technical service and the approval authority.
3.The Commission may adopt implementing acts laying down templates for the information document and for the information folder. Those implementing acts shall be adopted, by 31 December 2016, in accordance with the examination procedure referred to in Article 56(2).