Independent Gas Transporters Uniform Network Code (iGT UNC) iGT050: iGT & Shipper Metering communications Ancillary Document and 50A: 'Third Party Metering Activity and MAM ID Communication'
Correspondence and other
iGT050 introduced the ‘Shipper to iGT’ and ‘iGT to Shipper’ file formats and operational guidance notes into the Ancillary Document