1. When referring a subject-matter to the Board under Article 65(1), point (b), of Regulation 2016/679, the supervisory authority referring the subject-matter regarding the competence for the main establishment shall provide the Board with all of the following documents:

(a) a summary of the relevant facts;

(b) the assessment of these facts as far as the conditions of Article 56(1) ofRegulation (EU) 2016/679 are concerned;

(c) views made by the controller or processor whose main establishment is the subject of the referral;

(d) the views of other supervisory authorities concerned by the referral;

(e) any other document or information the referring supervisory authority considers relevant and necessary in order to find a resolution on the subject-matter.

2. The Chair of the Board shall register the referral no later than one week after having received the documents referred to in paragraph 1.