A document (or combination of documents) of that title, as established or adopted and from time to time modified by the Panel in accordance with The Code, containing a catalogue of certain Communications, specifying for each such Communication: (i) the definition of the data items comprised in the Communication; (ii) the format of the Communication; (iii) in certain cases, the Communications Medium or alternative Communications Medium by which such Communication may be sent; (iv) any other requirements as to the form of the Communication; has the meaning given to that term in Section O1.1.3;