The date specified by virtue of section 12A(10) in relation to a modification under that section may be less than 56 days from the publication of the decision to make the modification if—
the Authority considers it necessary or expedient for the modification to have effect before the 56 days expire, and
the consultation condition is satisfied.
The consultation condition is that the notice under section 12A relating to the modification—
stated the date from which the Authority proposed that the modification should have effect,
stated the Authority's reasons for proposing that the modification should have effect from a date less than 56 days from the decision to modify, and
explained why, in the Authority's view, that would not have a material adverse effect on any person holding an appointment under this Chapter.