(1) Subsection (2) applies where a person knows or has reasonable cause to suspect that a constable is conducting or proposes to conduct a terrorist investigation.
(2) The person commits an offence if he -
(a) discloses to another anything which is likely to prejudice the investigation, or
(b) interferes with material which is likely to be relevant to the investigation.
(3) Subsection (4) applies where a person knows or has reasonable cause to suspect that a disclosure has been or will be made under any of sections 19 to 21Bt or 38B.
(4) The person commits an offence if he -
(a) discloses to another anything which is likely to prejudice an investigation resulting from the disclosure under that section, or
(b) interferes with material which is likely to be relevant to an investigation resulting from the disclosure under that section.
(5) It is a defence for a person charged with an offence under subsection (2) or (4) to prove -
(a) that he did not know and had no reasonable cause to sus
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