Implementation Instrument

1. Title

Core Components Data Type Catalogue

2. Date of issuance/publishment
4. Details of the entity that has ownership on this instrument
a. Name
United Nations Economic Commission for Europe UN/CEFACT
b. Email

The catalogue contains the UN/CEFACT defined and published Core Data Types (CDTs), as stipulated in the Core Components Technical Specification (CCTS), which provides a methodology for semantic data modeling that achieves a common understanding of data structures and message types on a syntax independent level. The Core Components Technical Specification (CCTS) 3.0 defines the rules for developing Core Data Types (CDTs) and Business Data Types (BDTs) to define the value domains for Basic Core Components, Basic Core Component Properties, Basic Business Information Entities, and Basic Business Information Entity Properties.  

6. Relevant documents
7. Geographical application scope of this instrument
8. This instrument is related to:
Electronic message:
- XML:
- Other XML format: Defining data types for data used in electronic messages
9. Standard nature of this implementation instrument
International standard