# Regulation (EU) 2017/1938 of the European Parliament and of the Council of 25 October 2017 concerning measures to safeguard the security of gas supply and repealing Regulation (EU) No 994/2010 (Text with EEA relevance), Division 2: To enable or enhance bi-directional capacity on an interconnection or to obtain or prolong an exemption from that obligation, the transmission system operator on the side of the interconnection in the United Kingdom must submit to the Secretary of State and the regulatory authority after consulting with all transmission system operators potentially concerned:

Extent: E+W+S+N.I.

(a)a proposal to enable permanent physical capacity to transport gas in both directions for permanent bi-directional capacity concerning the reverse direction (‘physical reverse flow capacity’); or
(b)a request for an exemption from the obligation to enable bi-directional capacity.
The transmission system operator in the United Kingdom must endeavour to submit a joint proposal or request for exemption with the transmission system operators on the other side of the interconnection.

---
Source: https://www.legislation.gov.uk/eur/2017/1938/annex/III/division/2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2017-1938/annex-III/division-2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.