Article 33 1.

An insured person or a member of his/her family who has had a right to a prosthesis, a major appliance or other substantial benefits in kind recognised by the institution of a Member State, before he/she became insured under the legislation applied by the institution of another Member State, shall receive such benefits at the expense of the first institution, even if they are awarded after the said person has already become insured under the legislation applied by the second institution.