66. Where in accordance with regulation 62 (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 a European offshore marine site, or
(b)a decision, or a consent, permission or other authorisation, is affirmed on review, notwithstanding such an assessment,
the appropriate authority must secure that any necessary compensatory measures are taken to ensure that the overall coherence of Natura 2000 is protected.