1.   The home and host competent authorities of a trading venue whose operations have become of substantial importance within the meaning of Article 79(2) of Directive 2014/65/EU shall establish proportionate cooperation arrangements by a cooperation agreement as set out in Annex I.

2.   The home and host competent authorities may adapt or complement the standard cooperation agreement set out in Annex I to ensure that its provisions are proportionate to the particular circumstances giving rise to the need for cooperation.

3.   The home and host competent authorities shall send requests for cooperation by using the format provided for in Annex II and shall respond to those requests in the format provided for in Annex III.