Obligations of the supervisory authority after the receiving of the complaint in terms of the Article 56, paragraph 2
In the cases referred to in paragraph 2 of this Article, the supervisory authority shall inform the lead supervisory authority without delay on that matter. Within a period of three weeks after being informed the lead supervisory authority shall decide whether or not it will handle the case in accordance with the procedure provided in Article 60, taking into account whether or not there is an establishment of the controller or processor in the Member State of which the supervisory authority informed it.
Chapter VI, Section 2, Article 56, Paragraph 3
Regulation's subject matter
Competence of the lead supervisory authority (Article 56, Section 2, Chapter VI)