3.—(1) Within the scope of its official activities the Organisation shall have immunity from suit and legal process except–
(a)to the extent that it has waived such immunity in a particular case;
(b)in respect of a civil action by a third party for damage arising from an accident caused by a motor vehicle belonging to, or operated on behalf of, the Organisation or in respect of a motor traffic offence involving such a vehicle;
(c)in respect of an attachment order pursuant to the order of a court of law, of the salaries, wages or other emoluments owed by the Organisation to a staff member or former staff member; and
(d)in respect of a counter claim directly connected with proceedings initiated by the Organisation.
(2) Sub paragraph (1) shall not prevent the taking of such measures as may be permitted by law in relation to the property and assets of the Organisation in so far as they may be temporarily necessary in connection with the prevention and investigation of accidents involving motor vehicles belonging to, or operated on behalf of, the Organisation.