Bar of the House
The Bar of the House is the name given to a white line across the width of the Chamber of the House of Commons and to a rail in the House of Lords, marking their boundaries. MPs are called to the bar of the House of Lords at the Opening of Parliament and to hear the Royal Assent to Acts of Parliament. They are not allowed beyond this point when the House is sitting. In the House of Commons, Members of the House of Lords and the public are not allowed beyond the bar when the House is sitting.
contributed by user local yokel