Speaker of the House of Commons (United Kingdom) Michael Martin, also declined to wear the wig; moreover, he chose to simplify other aspects of the costume, doing away with the once customary buckled court shoes and silk stockings. His successor John Bercow abandoned traditional dress, wearing a plain black gown over his lounge suit when presiding. For ceremonial occasions such as the State Opening, the Speaker wears a black and gold robe with a train; previously, this was worn over court dress with a white waterfall cravat, but the present Speaker wears plain morning dress. Whilst presiding, the Speaker sits in a chair at the front of the
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