The EIC is based on fixed length alphanumeric codes which can be broken down as follows:

• A 2-character number identifying the Issuing Office assigned by ENTSO-E;
• One Character identifying the object type that the code represents;
• 12 digits, uppercase characters or minus signs allocated by the issuing office;
• 1 check character to ensure the code validity.

Valid characters of an EIC code are A-Z, 0-9 and “-“.