the country and wields the executive power. It is composed by a variable number of Secretaries of State, which by law cannot exceed the number of 10, that are appointed by the Grand and General Council at the beginning of the legislature. Because of this fact, also the areas of competence of the various Secretaries are not fixed, as some could be merged depending on the number of Secretaries. The law identifies 10 sectors of the public administration for which the secretaries are politically responsible: Secretary of State for Foreign and Political Affairs Secretary of State for Internal Affairs and Civil Defense Secretary of State for Finance, Budget and Programming, Information and Relations with the State Philatelic and Numismatic Office Secretary of State for Education, Culture, University and Justice Secretary of State for Territory, Environment and Agriculture Secretary of State for Health and Social Security (San Marino) Secretary of State for Trade and Relations with the Town Council Secretary of State for Communication, Transport, Relations with the Azienda Autonoma di Stato for Services, Tourism and Sport Secretary of State for Industry and Crafts Secretary of State for Labour and Cooperation The Captains Regents participate to the Congress with coordination powers, but no voting right. While all the Secretaries are equally important on principle, over the years, the secretary of state for Foreign and Political Affairs has assumed many of the prerogatives of a prime minister or head of government. Political parties and elections San Marino is a multi-party democratic republic. The two main parties are the Sammarinese Christian Democratic Party (PDCS) and the Party of Socialists and Democrats (PSD, a merger of the Socialist Party of San Marino and the Party of Democrats) in addition to several other smaller parties. It is difficult for any party to gain a pure majority and most of the time the government is run by a coalition. Because tourism accounts for more than 50% of the economic sector, the government relies not only on taxes and customs for revenue, but also on the sale of coins and postage stamps to collectors throughout the world. In addition, the Italian Government pays San Marino an annual budget subsidy provided under the terms of the Basic Treaty with Italy. Judiciary The Council of Twelve The Council of Twelve (Italian: Consiglio dei XII) serves as the supreme tribunal of the republic. The Grand and General Council elects the