An international identifier is a number of different size which comes above or beside the national identification number and helps to identify a company over several countries in the world.
The main tools used as international identifiers are : EasyNumber, DUNS NUMBER, International Suppliers Network, European Business Register, international Business Identifier Code (BIC/ISO 9362, a normalized code for trade, especially popular in banking area as the international Bank code - also known as Bank Identifier Code, Bank International Code and SWIFT code),...
References
International identifier Wikipedia(Text) CC BY-SA