Other useful links

 

There are several organisations that use standardisation for more efficient data exchange.
Here you will find:

• References to standard codes used in both trade as well as in electronic data interchange.
• Estonian and EU e-invoicing standards (mostly used by public sector institutions)
• International document standards: UBL and UN/CEFACT

 

 

1. Standard codes issued by GS1 to unify information exchange:

• Global Location Number (GLN)
• Company search by GLN
• Global Trade Item Number (GTIN) (formerly known as EAN)
• GTIN check digit calculator
• Product search by GTIN

 

 

2. E-invoicing standards:

Estonian e-invoice standard:

• Version 1.2 (the latest)
• Information on Estonian Bank Association web page

 

EU e-invoice standard

• EU e-invoicing web page
• EU e-invoicing official standard EN 16931. Most important sections: 16931-1, 16931-3-1, 16931-3-2
• EN 16931 syntax binding to Estonian e-invoice 1.2 (draft version)

 

 

3. Other common document standards:

• UBL (Universal Business Language) – XML-based business document standard – OASIS
• UN/CEFACT (United Nations Centre for Trade Facilitation and Electronic Business) – XML-based business document standard – UNECE