Subject to section 177L , a councillor has a
"declarable conflict of interest" in a matter if—
(a) the councillor has, or could reasonably be presumed to have, a conflict between the councillor’s personal interests, or the personal interests of a related party of the councillor, and the public interest; and
(b) because of the conflict, the councillor’s participation in a decision about the matter might lead to a decision that is contrary to the public interest.