UK Parliament — House of Commons

In undertaking functions under this order, the committee and any sub-committee of it shall have power to invite Members of the House who are not members of the committee to attend meetings at which witnesses are being examined in relation to matters within paragraphs (1)(i) to (iii) and such Members may, at the discretion of the chair, ask questions of those witnesses; but no Member not being a member of the committee shall otherwise take part in the proceedings of the committee or sub-committee, or be counted in the quorum.

The committee and the sub-committee shall have power to invite Members of the House who are not members of the committee to attend meetings at which witnesses are being examined and such Members may, at the discretion of the chairman, ask questions of those witnesses; but no Member not being of the committee shall otherwise take part in the proceedings of the committee or sub-committee, or be counted in the quorum.