8.—(1) On the basis of a preliminary flood risk assessment but subject to paragraph (2), the Department shall—
(a)for the river basin district; and
(b)for the part of each international river basin district lying within Northern Ireland,
identify any area for which it concludes that potential significant flood risks exist or might be considered likely to occur.
(2) The identification under paragraph (1) of any area within a part of an international river basin district lying within Northern Ireland shall be co-ordinated with the relevant competent authority in the Republic of Ireland.