1. Distribution system operators shall ensure firm capacity for the access of the production facilities of renewable gas and low-carbon gas connected to their grid. To that end, distribution system operators shall in cooperation among themselves and with the transmission system operators, develop procedures and arrangements, including investments, to ensure reverse flow from the distribution network to the transmission network. Major investments in the natural gas transmission network resulting from the need for additional capacities in the distribution network shall be reflected in the ten-year network development plan in accordance with Article 55(2), point (a), of Directive (EU) 2024/1788.