Calendar for the annual and quarterly transmission capacity booking in the entry/exit points in/out of the gas transmission system for the gas year 2019-2020 Calendar for the annual and quarterly transmission capacity booking in the entry/exit points in/out of the gas transmission system for the gas year 2017-2018 Calendar for Capacity booking at the NTS entry/exit points for the gas year 2016-2017, according to the provisions of Order nr. 38/03.08.2016 issued by the President of the Romanian Energy Regulatory Authority (available only in Romanian language) Regulation on the provision of Backhaul gas transmission services – valid from 01.04.2013