Lord Speaker the bar, and finish by walking up the Temporal (opposition) side toward the Woolsack. The Mace is placed on the Woolsack, where the Lord Speaker sits after a bishop has led the House in prayers. When the Sovereign appoints Lords Commissioners to perform certain actions on his or her behalf (for example, to open or prorogue Parliament, or formally declare Royal Assent), the Lord Speaker is one of them. The other Lords Commissioners, by convention, are the Leader of the House (who has acted as the principal Commissioner since the Lord Chancellor's functions were transferred to the Lord Speaker), the
Lords Commissioners of the Treasury the powers of the Houses of Parliament in favour of the lower house. From the Glorious Revolution and onwards it had become increasingly constitutionally untenable for the person setting fiscal policy (i.e. the Chancellor) to reside in the House of Lords, a principle which was embedded permanently in the constitution from 1718 with the resignation of Lord Stanhope (note this excepts the brief tenures of certain Lord Chief Justices, who historically assumed the office of Chancellor of the Exchequer "pro tempore" during vacancies, and who were often peers). That notwithstanding, the constitutional convention mandating that the Prime Minister reside in