This document discusses Trans-Border Data Flow (TDF), which refers to the international transmission of data or information. It provides definitions of TDF, noting it involves the movement of machine-readable data across national borders for processing, storage or retrieval, often through electronic means. The document then discusses some of the key issues around TDF, including technological issues like developments in computers, telecommunications and data networks that have enabled TDF; legal issues around data protection and privacy; and socio-economic and political implications of TDF. It also examines standards related to TDF and the types of library and information resources that are available via TDF, like databases, document delivery and bibliographic records.