The following transitional arrangements shall apply for the benefit of Spain until 31 December 1995 and of Greece and Portugal until 31 December 1998:
_ they may limit the commitments for which they are the Member State of provision of services to those entered into in accordance with the arrangements referred to in Article 13,
_ they may require that the technical reserves, including mathematical reserves, relating to those commitments, should be calculated, covered and located in accordance with their national legislation in force.