Speaker of the Riksdag contacts programme. The Speaker chairs the War Delegation (), when it is deemed necessary to convene. Historical predecessor Speaker of the Riksdag The speaker of the Riksdag () is the presiding officer of the national unicameral legislature in Sweden. The Riksdag underwent profound changes in 1867, when the medieval Riksdag of the Estates was abolished. The new form of the Riksdag included two elected chambers, each with its own speaker. Since the "de facto" introduction of parliamentarism in 1917, the Riksdag has properly functioned as the institution to which the Prime Minister and the Government are held accountable. In 1971
Speaker of the Riksdag alternate and remain members of the Riksdag with voting rights. In case all adult members of the Swedish Royal Family who are in the line of succession to the Throne, as prescribed in the Act of Succession, are out of the country, the Speaker assumes the role of "Regent ad interim" (). This would also be the case if they were all to decease. The Speaker chairs the Riksdag Board (), which deliberates on the organisation of the work of the Riksdag, directs the work of the Riksdag Administration () and decides upon matters of major significance concerning the international