Bibliographic Data Relating to International Marks is identified by the WIPO INID codes “Internationally agreed Numbers for the Identification of Data”.
Standard ST.3: Recommended Standard on Two-Letter Codes for the Representation of States, other Entities and Intergovernmental Organizations. The various codes of Standard ST. 3 are indicated in , Fees Calculator, WIPO Gazette of International Marks and Romarin DVD etc. (Adobe PDF)
Standard ST.60: Recommendation Concerning Bibliographic Data Relating to Marks. The various codes of Standard ST. 60 are used in the WIPO Gazette of International Marks and Romarin DVD (Adobe PDF)