Field help (ORG1CRY) 

The country code defined in this field is the country of the organization’s bank. This code is used to differentiate on a same slip euro accounts that can be opened in different countries. This code is used for the calculation of the IBAN.

Code used to identify the country of a BP, and so on. This code is controlled in the country table.
The country is an important piece of information that involves several controls and automatisms (for instance, the Bank ID number format, the IBAN code management, the telephone number format, the Site tax ID number format, the SIC code format, the postal code format).