it counts for what witnesses say too.
http://www.parliament.uk/documents/commons-committees/witnessguide.pdf (page 10)
"Witnesses to select committees enjoy absolute privilege in respect of the evidence they
give, whether written or oral, provided that it is formally accepted as such by the
Committee. Absolute privilege protects freedom of speech in parliamentary proceedings; it
is enshrined in statutory form in Article 9 of the Bill of Rights 1689, which prohibits
proceedings in Parliament from being called in question in any court. In practical terms
this means that select committee witnesses are immune from civil or criminal proceedings
founded upon that evidence; nor can their evidence be relied upon in civil or criminal
proceedings against any other person.
Absolute privilege does not apply to written submissions which have been distributed or
made available prior to being published by a committee.
The protection which absolute privilege gives to those preparing written evidence and to
witnesses must not be abused. In particular, witnesses should answer questions put to them
by a committee carefully, fully and honestly. Deliberately attempting to mislead a
committee is a contempt of the House, which the House has the power to punish."