Artikel 55

1. Where the legislation of a Contracting Party provides that the calculation of benefits shall be based on the amount of previous earnings, the institution which applies that legislation shall take account exclusively of the earnings of the worker concerned in the last occupation which he followed in the territory of the said Party or, if he was not last employed in that territory for at least four weeks, of the corresponding normal wage at his place of residence, for work equivalent or similar to his last occupation in the territory of another Contracting Party.
2. Where the legislation of a Contracting Party provides that the amount of benefits shall vary with the number of members of the family, the institution which applies that legislation shall take account also of the members of the family resident in the territory of another Contracting Party, as if they were resident in the territory of the first Party.
3. Where the legislation applied by the institution of the place of residence provides that the time during which benefits are payable shall depend on the length of the periods completed, the time during which benefits are payable shall be determined with due regard, where appropriate, to the provisions of paragraph 1 or paragraph 2 of Article 51.