1. Unless otherwise provided for by paragraph 2, the insured person and the members of his/her family referred to in Article 17 shall also be entitled to benefits in kind while staying in the competent Member State. The benefits in kind shall be provided by the competent institution and at its own expense, in accordance with the provisions of the legislation it applies, as though the persons concerned resided in that Member State.
2.
The members of the family of a frontier worker shall be entitled to benefits in kind during their stay in the competent Member State.
Where the competent Member State is listed in Annex III however, the members of the family of a frontier worker who reside in the same Member State as the frontier worker shall be entitled to benefits in kind in the competent Member State only under the conditions laid down in Article 19(1).