The eight-member Board of County Supervisors makes policy for the administration of the Prince William County government within the framework of the Constitution and laws of the Commonwealth of Virginia and the County Executive form of government. Seven members are elected from Magisterial Districts, while the Chair is elected at-large. The board adopts local laws, sets policies, adopts a budget and capital improvement program, sets local tax rates, approves local land use decisions and makes appointments to various positions.