Decisions 26.07.2012 ACER Decision 02-2012 on Interoperability and Data Exchange Rules for European Gas Transmission Networks Reports 01.04.2012 Gas Regional Initiative Quarterly Report - Q1 2012 Reports 01.04.2012 Gas Regional Initiative Quarterly Report Decisions 16.09.2011 ACER Decision 04-2011 on the TYNDP 2011-2020 Presented by ENTSOG Reports 01.01.2011 ACER Regional Initiatives Status Review Report 2011