Notwithstanding Article 4: (a) the following deductions may be made from all bills, invoices or statements, which shall then be passed for payment of the net amount: - fines imposed on a party to a contract or an accepted tender;
- adjustments of amounts paid in error which can be achieved by means of deduction beforehand against a payment of the same kind of expenditure out of appropriations under the chapter, article and financial year in respect of which the excess payment was made;
- the value of vehicles, apparatus, equipment and installations taken in part exchange in accordance with commercial usage upon purchase of new apparatus, vehicles, equipment and installations of the same kind.
Discounts, refunds and rebates on invoices and bills shall not be recorded as separate revenue;
(b) the following sums may be reused: - revenue arising from the refund of amounts paid in error against appropriations entered in the statement of revenue and expenditure;
- the proceeds from the supply of goods and services to other institutions or bodies, including the reimbursement of mission allowances paid for the account of those institutions or bodies, and reimbursed by them;
- the amount of insurance indemnities received;
- the revenue from the sale of publications and films;
- 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;
- the revenue from the supply of goods and services and from building works against payment;
- the proceeds from the sale of vehicles, equipment and installations and also apparatus and equipment for technical and scientific purposes, when they are replaced.
The reuse of such sums must take place before the end of the financial year which follows the one in which the revenue was collected;
(c) adjustments may be made in respect of the losses and gains made on the rates of exchange when transferring funds and also on debtor and creditor interest rates relating to cash operations, only the balance being shown as revenue or expenditure.
The accounting plan shall provide for suspense accounts in order to record the reuse of such sums in terms of both revenue and expenditure.
SECTION II REVENUE AND MANAGEMENT OF AVAILABLE FUNDS