House of Commons of the United Kingdom of Ways and Means. These titles derive from the Committee of Ways and Means, a body over which the chairman once used to preside; even though the Committee was abolished in 1967, the traditional titles of the Deputy Speakers are still retained. The Speaker and the Deputy Speakers are always members of the House of Commons. Whilst presiding, the Speaker or Deputy Speaker wears ceremonial dress. The presiding officer may also wear a wig, but this tradition was abandoned by Speaker Betty Boothroyd. Her successor, Michael Martin, also did not wear a wig while in the chamber. The current Speaker,
Speaker of the House of Commons (United Kingdom) House from recess during a national emergency, or when otherwise requested by the Government. When vacancies arise, the Speaker authorises the issuance of writs of election. Furthermore, the Speaker is responsible for certifying bills that relate solely to national taxation as "money bills" under the Parliament Acts 1911 and 1949. The House of Lords has no power to block or substantially delay a money bill; even if the Lords fail to pass the bill, it becomes law within a month of passage by the Commons. The Speaker's decision on the matter is final, and cannot be challenged by the Upper