15 ILCS 320/3

It is the policy of the State of Illinois, to promote, support, implement and maintain library services on a State level for all State Officers, Offices, the General Assembly, the Judiciary and all State agencies, bodies and commissions, and to promote, support and implement library services on a statewide basis, including the effective sharing of resources and services among libraries to promote access to information in both print and electronic format. It is the responsibility of government at all levels to promote, support, implement and maintain library services for the cultural, educational and economic development of the State of Illinois and of the inhabitants of the State of Illinois.