The draft Network Code on Interoperability and Data Exchange Rules for European Gas Transmission Networks delivered to the European Commission (EC) on 11 September 2013 specifies that “AS4 shall be used as common data exchange protocol for document based data exchanges”. A usage profile has been posted  which defines an ENTSOG AS4 Profile that aims to support cross-enterprise collaboration in the gas sector using secure and reliable exchange of business documents based on the AS4 standard.