Whereas, in order to take into account as far as possible the actual conditions in which a product or group of products is produced, such rules must provide for weighting of the tax burdens...
... the following sums may be reused: ... the amount of the refund of fiscal charges incorporated in the price of the products or services provided to the Centre, effected by Member States pursuant to the provisions of the Protocol on the privileges and immunities of the European Communities;
