<P> The Australian House of Representatives operates under the Westminster parliamentary system . The Serjeant - at - Arms is a career officer of the Department of the House of Representatives . The ceremonial duties are as the custodian of the Mace, the symbol of the authority of the Crown and the Houses, and as the messenger for formal messages from the House to the Senate . The Serjeant has the authority to remove disorderly people, by force if necessary, from the House or the public or press galleries on the instructions of the Speaker . The administrative duties of the Serjeant include allocation of office accommodation, furniture and fittings for Members' offices, coordination of car transport for Members, mail and courier services for the House, security for the House and arrangements for school visits . Once a meeting has started in a House the Serjeant will usually stand at the door to keep authority and make sure no one else comes in or out . </P> <P> The Serjeant - at - Arms is the senior official of the National Parliament (Jatio Sangshad) who is responsible for maintaining order during sessions and to maintain security and protocol at Parliament under the guidance of Speaker . Presently, Commodore M. Ashraful Haq, a naval officer, is appointed as Serjeant - at - Arms . </P> <P> The Sergeant - at - Arms is the senior official of the Canadian House of Commons . In this role, the sergeant - at - arms is responsible for the building services and security of the House of Commons, and is appointed by the Governor General acting on the advice of the Federal cabinet . The Sergeant - at - Arms carries the mace, the symbol of the authority of the Crown, in the daily parade into the House of Commons chamber . </P> <P> Provincial legislative assemblies, houses of assembly, national assemblies, and provincial parliaments (the nomenclature for legislatures varying between provinces) also employ sergeants - at - arms . </P>

Who carrie the mace into the debating chamber