Article 5a
By way of derogation from Article 4, the competent authorities of a Member State may authorise the release of certain frozen funds or economic resources belonging to, owned, held or controlled by a natural or legal person, entity or body listed in Annex I, or the provision of services to such a natural or legal person, entity or body, under such conditions as they deem appropriate and after having determined that this is strictly necessary for the setting-up, certification or evaluation of a firewall which: (a) removes the control by the natural or legal person, entity or body listed in Annex I over the assets of a non-listed legal person, entity or body incorporated or constituted under the law of a Member State and which is owned or controlled by the former; and (b) ensures that no further funds or economic resources accrue to the benefit of the listed natural or legal person, entity or body.