Paragraph 4
Section 149(2) (application of section 149(1) to persons who are not public authorities but by whom public functions are exercisable) does not apply to—
a person listed in sub-paragraph (2);
the exercise of a function listed in sub-paragraph (3).
Those persons are—
the House of Commons;
the House of Lords;
the Scottish Parliament;
the National Assembly for Wales;
the General Synod of the Church of England;
the Security Service;
the Secret Intelligence Service;
the Government Communications Headquarters;
a part of the armed forces which is, in accordance with a requirement of the Secretary of State, assisting the Government Communications Headquarters.
Those functions are—
a function in connection with proceedings in the House of Commons or the House of Lords;
a function in connection with proceedings in the Scottish Parliament (other than a function of the Scottish Parliamentary Corporate Body);
a function in connection with proceedings in the National Assembly for Wales (other than a function of the Assembly Commission).