Whip System - The Whip

Every week, whips send out a circular (called 'The Whip') to their MPs or Lords detailing upcoming parliamentary business. Special attention is paid to divisions (where members vote on debates), which are ranked in order of importance by the number of times they are underlined. Important divisions are underlined three times - a 'three-line whip' - and normally apply to major events like the second readings of significant Bills.