11(1)An appeal lies to the Special Commissioners against a determination under paragraph 10.U.K.
(2)Notice of appeal must be given in writing to the officer of the Commissioners by whom the determination was made within 30 days of the date of the notice of the determination.
(3)An appeal may be brought out of time with the consent of the Commissioners or the Special Commissioners.
The Commissioners—
(a)shall give that consent if satisfied, on an application for that purpose, that there was a reasonable excuse for not bringing the appeal within the time limit, and
(b)if not so satisfied, shall refer the matter for determination by the Special Commissioners.
(4)The notice of appeal must specify the grounds of appeal, but on the hearing of the appeal the Special Commissioners may allow the appellant to put forward a ground not specified in the notice of appeal, and take it into consideration, if satisfied that the omission was not wilful or unreasonable.
(5)The powers conferred by section 46A(1)(c) and (2) to (4) and sections 56B to 56D of the M1Taxes Management Act 1970 (power of Lord Chancellor to make regulations as to jurisdiction, practice and procedure in relation to appeals to Special Commissioners) apply in relation to appeals under this paragraph.
(6)On an appeal under this paragraph the Special Commissioners may—
(a)if it appears to them that no penalty has been incurred, set the determination aside;
(b)if the amount determined appears to them to be appropriate, confirm the determination;
(c)if the amount determined appears to them to be excessive, reduce it to such other amount (including nil) as they consider appropriate;
(d)if the amount determined appears to them to be insufficient, increase it to such amount not exceeding the permitted maximum as they consider appropriate.