BS 7093:1989

National foreword
Committees responsible
0 Introduction
1 Scope and field of application
2 References
3 Definitions
4 Abbreviations
5 Conventions
Section one: General
6 Overview of the presentation service
7 Facilities of the service
8 Functional units
9 Quality of service
Section two: Definitions of Service Primitives
10 Presentation service primitives
11 Sequences
Annex
A Restrictions on the Use of the Presentation-service
    in X.410-1984 Mode

Defines the externally visible service provided by the presentation layer in terms of the primitive actions and events at the user/service boundary; the parameter data associated with each primitive action and event; valid sequence of these actions and events.