The competent institution of a Member State whose legislation provides that the calculation of cash benefits shall be based on average earnings shall determine such average earnings exclusively by reference to earnings confirmed as having been paid during the periods completed under the said legislation.

The competent institution of a Member State whose legislation provides that the calculation of cash benefits shall be based on standard earnings shall take account exclusively of the standard earnings, or where appropriate, of the average of standard earnings for the periods completed under the said legislation.

The competent institution of a Member State whose legislation provides that the amount of cash benefits shall vary with the number of members in the family shall take into account also the members of the family of the person concerned who are residing in the territory of another Member State, as if they were residing in the territory of the competent State.