In order to provide freedom of movement for workers and self-employed persons, the Contracting Parties shall, in the field of social security, secure, as provided for in Annex VI, for workers and self-employed persons and their dependants, in particular:

1. (a)

   aggregation, for the purpose of acquiring and retaining the right to benefit and of calculating the amount of benefit, of all periods taken into account under the laws of the several countries;

2. (b)

   payment of benefits to persons resident in the territories of Contracting Parties.