Sessional Orders are passed at the beginning of every Parliamentary session under an 1839 law to ensure free passage for MP’s to arrive and depart from Parliament. Similar Orders apply to the House of Lords. Under the 2005 SOCPA legislation any march / demonstration in the vicinity of Parliament must be allowed to take place so long as a minimum of 6 days notice is given to the police.
Something more restrictive was needed so the 1839 legislation passed many years before this country had universal suffrage is now being used to attempt to ban the 8 October Troops Out march. Since the march to Parliament is intended to be a peaceful attempt to alert Parliament to the feeling of the majority of the British public about the wars and occupations in Iraq and Afghanistan and MP’s themselves will be on the march this cannot be interpreted as obstructing the passage of members of Parliament.