Recommendations 27.03.2013 ACER Recommendation 03-2013 on the Network Code on Gas Balancing of Transmission Networks Recommendations 12.11.2012 ACER Recommendation 04-2012 on the Network Code on Capacity Allocation Mechanism for the European Gas Transmission Network Recommendations 08.10.2012 ACER Recommendation 02-2012 on the Network Code on Capacity Allocation Mechanism for the European Gas Transmission Network Decisions 26.07.2012 ACER Decision 02-2012 on Interoperability and Data Exchange Rules for European Gas Transmission Networks Decisions 16.09.2011 ACER Decision 04-2011 on the TYNDP 2011-2020 Presented by ENTSOG