Woolsack in 1346. From the Middle Ages until 2006, the presiding officer in the House of Lords was the Lord Chancellor and the Woolsack was usually mentioned in association with the office of Lord Chancellor. In July 2006, the function of Lord Speaker was split from that of Lord Chancellor pursuant to the Constitutional Reform Act 2005. The Woolsack is a large, wool-stuffed cushion or seat covered with red cloth; it has neither a back nor arms, though in the centre of the Woolsack there is a back-rest. The Lords' Mace is placed on the rear part of the Woolsack. In
Leader of the House of Lords the Leader of the House of Lords is a ministerial department. Though the Leader of the House is a member of the cabinet and remains a partisan figure, he or she also has responsibilities to the House as a whole. In contrast to the House of Commons, where proceedings are controlled by the Speaker, proceedings in the Lords are controlled by peers themselves, under the rules set out in the Standing Orders. The Leader of the House has the responsibility of reminding the House of these rules and facilitating the Lords' self-regulation, though any member may draw attention to breaches