Reykjavík is governed by the city council, directly elected by anyone aged over 18 and registered with domicile in the city. The council has 15 members that are elected for 4 year terms. The city council governs the city of Reykjavík according to law number 45/1998. The city council selects people on the boards and each board controls a different field under the city council's authority. The most important board is the city board that wields the executive rights along with the city mayor. The city mayor is the uppermost public official in the city and also the director of city operations. Other public official then control different institution under his authority.