1.The Commission may, on its own initiative or upon request from the Medical Device Coordination Group (MDCG), submit a request to carry out tasks referred to in Article 100(2), points (c), (d), (f) or (i), of Regulation (EU) 2017/746, to an EU reference laboratory or, where the request falls within the scope of designation of more than one EU reference laboratory, to the network of EU reference laboratories referred to in Article 100(5) of Regulation (EU) 2017/746 (the ‘EU reference laboratories’ network’) or to a relevant sub-network referred to in Article 17(1) of this Regulation (‘sub-network’).Member States may submit a request to carry out a task referred to in Article 100(2), points (c) or (d), of Regulation (EU) 2017/746 to an EU reference laboratory or, where the request falls within the scope of designation of more than one EU reference laboratory, to the EU reference laboratories’ network or a relevant sub-network.