1 Purpose and Structure
2 General Notes on This Document
3 Guide for SDMX Format Standards
4 General Notes for Implementers
5 Reference Metadata
6 Codelist
7 Geospatial information support
8 Maintenance Agencies and Metadata Providers
9 Concept Roles
10 Constraints
11 Transforming between versions of SDMX
12 Validation and Transformation Language (VTL)
13 Structure Mapping
14 ANNEX Semantic Versioning