to grant leave to bring the Televising of Parliament Bill (then-Speaker George Thomas voted Aye) and on 21 June 1990, 197–197 on an amendment to the Human Fertilisation and Embryology Bill (the Deputy Speaker voted No). There was believed to be a 317–317 vote on an amendment to a motion concerning the Maastricht Treaty in 1993, but it was quickly discovered that one extra "Aye" vote had been erroneously counted. Prior to the counting error having been noted, Speaker Betty Boothroyd did give a Casting Vote of No, although this was later expunged when the error became clear. [ 13 ] In addition to his or her role as presiding officer, the Speaker performs several other functions on the behalf of the House of Commons. He or she represents the body in relations with the Sovereign, the House of Lords, and non-parliamentary bodies. On important occasions of state (such as Queen Elizabeth II 's Golden Jubilee in 2002), the Speaker presents Addresses to the Crown on behalf of the House. The Speaker performs various procedural functions. He or she may recall the 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