(1) The following shall not be admissible as evidence in proceedings for an offence under any of sections 11 to 13, 15 to 19 and 56 -
(a) evidence of anything done in relation to an application to the Secretary of State under section 4,
(b) evidence of anything done in relation to proceedings before the Proscribed Organisations Appeal Commission under section 5 above or section 7(1) of the Human Rights Act 1998 [1998 c. 42.],
(c) evidence of anything done in relation to proceedings under section 6 (including that section as applied by section 9(2)), and
(d) any document submitted for the purposes of proceedings mentioned in any of paragraphs (a) to (c).
(2) But subsection (1) does not prevent evidence from being adduced on behalf of the accused.