By way of derogation from Article 3 , the competent authorities of the Member States may authorise the release of certain frozen funds or economic resources , or the making available of certain funds or economic resources , under such conditions as they deem appropriate , after having determined that the funds or economic resources concerned are : ( a ) necessary to satisfy the basic needs of the natural persons listed in Annex I and dependent family members of such natural persons , including payments for foodstuffs , rent or mortgage , medicines and medical treatment , taxes , insurance premiums , and public utility charges