CONTENTS

 1     Introduction
 2     Description conventions
 3     Abstract syntax description
        3.1     TC-Messages
        3.2     Dialogue portion
                  3.2.1     Structured dialogue
                  3.2.2     Unstructured dialogue
 4     Message representation
        4.1     Encoding rules
                  4.1.1     Specification of encoding rules
                  4.1.2     Overview of encoding rules
                  4.1.3     Transmission order
        4.2     Message encoding
                  4.2.1     Transaction Portion
                  4.2.2     Component Portion
                  4.2.3     Dialogue Portion
Annex A