I.S. EN ISO 1101:2017

National Foreword
European foreword
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Basic concepts
5 Symbols
6 Toleranced features
7 Tolerance zones
8 Geometrical specification indication
9 Supplementary indications
10 Theoretically exact dimensions (TED)
11 Restrictive specifications.
12 Projected toleranced feature
13 Intersection planes
14 Orientation planes
15 Direction feature
16 Collection plane
17 Definitions of geometrical specifications
Annex A (informative) - Deprecated and former practices
Annex B (informative) - Explicit and implicit rules for
        geometrical tolerance zones
Annex C (informative) - Filters
Annex D (normative) - ISO special specification elements
        for form
Annex E (informative) - Filter details
Annex F (normative) - Relations and dimensions of
        graphical symbols
Annex G (informative) - Relation to the GPS matrix model
Bibliography

Specifies the symbol language for geometrical specification of workpieces and the rules for its interpretation.