(1)A person who—
(a)fails to deliver an account under section 216 or 217 above, or
(b)fails to make a return under section 218 above, or
(c)fails to comply with a notice under section 219 above, or
(d)fails to comply with a notice under section 224(2) above,
shall be liable to a penalty not exceeding £50 and, if the failure continues after it has been declared by a court or the Special Commissioners, to a further penalty not exceeding £10 for each day on which it continues.
(2)A person shall not be liable to a penalty under this section for a failure which is remedied before proceedings in which the failure could be declared are commenced; and where a person has a reasonable excuse for the failure he shall not be liable to a penalty under this section unless he fails to remedy it without unreasonable delay after the excuse has ceased.