IMI shall be based on administrative cooperation procedures implementing the provisions of the relevant Union acts listed in the Annex. Where appropriate, the Commission may adopt implementing acts for a specific Union act listed in the Annex or for a type of administrative cooperation procedure, setting out the essential technical functionality and the procedural arrangements required to enable the operation of the relevant administrative cooperation procedures, including where applicable the interaction between external actors and IMI as referred to in Article 12. Those implementing acts shall be adopted in accordance with the advisory procedure referred to in Article 24(2).