Article 21 1.

An insured person and members of his/her family residing or staying in a Member State other than the competent Member State shall be entitled to cash benefits provided by the competent institution in accordance with the legislation it applies. By agreement between the competent institution and the institution of the place of residence or stay, such benefits may, however, be provided by the institution of the place of residence or stay at the expense of the competent institution in accordance with the legislation of the competent Member State.