11. Nothing in this Schedule affects the amount of—
(a)an actuarial reduction under paragraph 25 of Schedule 6 to the 2005 Order in a case where a person became entitled to periodic compensation or lump sum compensation before the commencement date, or
(b)an actuarial increase under paragraph 25A of that Schedule in a case where the commencement of periodic compensation or the payment of lump sum compensation was postponed before the commencement date (even if it continues to be postponed on or after that date).