DEFINITION: This ABB is a Business Agnostic European Legal Act which lays down rules for the establishment of the rights of end-users and the corresponding obligations on undertakings providing publicly available electronic communications networks and services. With regard to ensuring provision of universal service within an environment of open and competitive markets, this Directive defines the minimum set of services of specified quality to which all end-users have access, at an affordable price in the light of specific national conditions, without distorting competition. This Directive also sets out obligations with regard to the provision of certain mandatory services such as the retail provision of leased lines. Source: https://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=&cad=rja&uact=8&ved=2ahUKEwj9vvG2-M_1AhVMSPEDHYaDCQIQFnoECAwQAQ&url=https%3A%2F%2Feur-lex.europa.eu%2Flegal-content%2FEN%2FALL%2F%3Furi%3Dcelex%253A32002L0022&usg=AOvVaw2ihMWfX8o7o83-x4bPhwst INTEROPERABILITY SALIENCY: IoP Dimension: Governance IoP The Binding Instrument ABB is relevant for interoperability as, by being a specialisation of Legal Act, it makes mandatory the implementation of the policy (and therefore the underlying interoperability implications).