UK Parliament — House of Commons

The Speaker may announce that he intends to call Members to speak in a debate, or at certain times during that debate, for no longer than any period he may specify, and he may at any time make subsequent announcements varying the terms of an announcement under this paragraph.

Mr. Speaker may announce at the commencement of public business that, because of the number of Members wishing to speak in a debate on one of the matters specified in paragraph (2) of this order, he will call Members either between six o'clock and ten minutes before eight o'clock or between seven o'clock and ten minutes before nine o'clock on Monday to Thursday sittings, and between half-past eleven o'clock and one o'clock on Friday sittings, to speak for not more than ten minutes; and whenever Mr. Speaker has made such an announcement he may, between those hours, direct any Member who has spoken for ten minutes in such a debate to resume his seat forthwith.