CHAPTER II: COOPERATION WITH THE COURT
SECTION I: PRINCIPLES OF COOPERATION
Art. 3 Central Authority
2 The Central Authority shall have the following responsibilities in particular:
b. It shall decide on the admissibility of cooperation, on cooperation procedures, and, if applicable, challenge the jurisdiction of the Court.
c. It shall order necessary measures, the scope of these measures, and the manner of execution of the request, and it shall designate the federal authorities or the canton responsible for the execution of the request.
National procedures for execution of cooperation request
EDIT.