5. A failure on the part of any person to observe any provision of a code of practice under Article 9 shall not of itself render him liable to any proceedings, but in any proceedings under this Order before the Tribunal or a court—
(a)any code of practice shall be admissible in evidence; and
(b)if any provision of a code appears to the Tribunal or the court to be relevant to any question arising in the proceedings, it shall be taken into account in determining that question.