The CER is today, 23rd July 2015, publishing two Decision Papers relating to the methodologies that will be used for the calculation of transmission network tariffs from 1st October 2015. CER/15/140 directs Gas Networks Ireland on the methodology to apply for the tariffs to apply to remunerate the Required Revenues of the TSO. CER/15/141 directs Gas Networks Ireland on the methodology for the calculation of the Bellanaboy Entry Tariff.