3.—(1) The Organisation shall have immunity from suit and legal process except–
(a)to the extent that it shall have expressly 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 the enforcement of an arbitration award made under the terms of any contract made by the Organisation;
(d)in respect of an attachment order against the salaries, wages and emoluments owed by the Organisation to a member of staff.
(2) The preceding sub paragraph 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 of and investigation into accidents involving motor vehicles belonging to, or operated on behalf of, the Organisation.