1. Member States shall waive all claims for the reimbursement of expenses incurred in applying this Regulation.

2. Notwithstanding paragraph 1, as regards requests for enforcement measures under Article 12, the Member State of the applicant authority shall remain liable to the Member State of the requested authority for any costs and any losses incurred as a result of measures that have been dismissed and held to be unfounded by a court, as far as the substance of the infringement in question is concerned.