CONTENTS

                      Provisional booking message



0.   INTRODUCTION

1.   SCOPE

     1.1   Functional definition
     1.2   Field of application
     1.3   Principles

2.   REFERENCES

3.   TERMS AND DEFINITIONS

4.   MESSAGE DEFINITION
     4.1   Data segment clarification
     4.2   Data segment index(alphabetical sequence)
     4.3   Message structure
           4.3.1 Segment table

ANNEX