86.—(1) Every compulsory acquisition order which is not wholly annulled by the High Court under this Part of this Act shall (subject and without prejudice to any partial such annulment) come into operation—

(a) if an application is made under this Part of this Act to the High Court for the annulment (whether complete or partial) of the order—on the final determination of that application, or

(b) if no such application is so made—on the expiration of three weeks from the first publication by advertisement of notice of the confirmation of the order by the Minister.

(2) As soon as may be after a compulsory acquisition order comes into operation, the health authority by whom the order was made shall give a copy of the order to every person to whom notice of the making of the order was given in pursuance of this Part of this Act.