(1)This section applies if an existing scheme has been affected by a material change that happened after the pre-adjustment order entitlements for the scheme were decided.
(2)The changed entitlements for the existing scheme must take account of the material change.
(3)However, any adjustments of the pre-adjustment order entitlements for the existing scheme to take account of the material change must—
(a)be consistent with the deciding principle for the pre-adjustment order entitlements, and just and equitable to the extent the deciding principle allows; or
(b)if there is no apparent deciding principle for the pre-adjustment order entitlements, be just and equitable.