The provisions of Article 17 of the implementing Regulation shall apply by analogy in respect of the granting of benefits in kind to the members of the family of unemployed persons when such members of the family are resident in the territory of a Member State other than the competent State. At the time of the registration of the members of the family of unemployed persons receiving benefits under the provisions of Article 69 (1) of the Regulation the certified statement referred to in Article 26 (1) of the implementing Regulation must be produced. This certified statement shall be valid for the period of time during which the benefits may be granted under Article 69 (1) of the Regulation.