5.The lead supervisory authority shall engage with the other supervisory authorities concerned on the basis of their comments on the summary of key issues, and, where applicable, in response to requests under Articles 61 and 62 of Regulation (EU) 2016/679, in an endeavour to reach consensus. The consensus on matters referred to in paragraph 2 of this Article shall be used as a basis for the lead supervisory authority to continue the investigation and draft the preliminary findings or, where applicable, to provide the supervisory authority with which the complaint has been lodged with the reasoning for the purposes of Article 16(1) of this Regulation.