The competent institution shall be obliged to reimburse the amount of benefits in kind provided on its behalf in accordance with the provisions of Articles 52 and 55 (1).

The reimbursements referred to in paragraph 1 shall be determined and made in accordance with the procedures laid down by the implementing Regulation referred to in Article 98, on proof of actual expenditure.

Two or more Member States, or the competent authorities of such States, may provide for other methods of reimbursement or waive reimbursement between the institutions coming under their jurisdiction.