Specifies the requirements for a generalized format, the definition and layout of terminological/lexigraphological data on magnetic tape as well as the meaning and layout of the tags associated with each element.Describes an interchange principle between data processing systems. The annexes are examples which illustrate possible applications. Is designed for information exchange on magnetic tape and also meant to enable user implementing a set of mutually compatible data categories to interchange terminological/lexicographical information with the aid of data processing technique.