48. Where in accordance with regulation 44 (considerations of overriding public interest)—
(a)a plan or project is agreed to, notwithstanding a negative assessment of the implications for a European site, or
(b)a decision, or a consent, permission or other authorisation, is affirmed on review, notwithstanding such an assessment,
the Department shall secure that any necessary compensatory measures are taken to ensure that the overall coherence of Natura 2000 is protected.