Article 64 3.

As regards enforcement, the Member State which accepted the request, or the Agency, shall only be responsible for matters related to the procedures leading up to the adoption of decisions by the national competent authority of that Member State, or of the Agency, and pertaining to the certification and oversight tasks reallocated to it in accordance with this Article, as well as to the application of those decisions. For all other matters regarding enforcement, the allocation of responsibilities provided for in this Regulation and in the delegated and implementing acts adopted on the basis thereof shall remain unaffected.