ILIS is a suite of applications and data bases that supplies land administrative information to government and commercial interests in the Northern Territory. ILIS contains historical and current data and is maintained as part of the routine administrative processes of the Department of Planning and Infrastructure, the Office of the Registrar-General and the Office of the Valuer-General. ILIS incorporates information on Land Titles Registration, land valuations, cadastral records including location addresses, land use controls, land development proposals, building proposals, Crown land and lease administration, Government land sales and interests in land. ILIS supplies data to the Land Search and ILIS Maps applications.