3. The relevant regulatory authorities shall assess the long-term evolution of transmission tariffs on the basis of the expected changes to their allowed or target revenue and in natural gas demand within the relevant regulatory period, and, where available until 2050. To conduct that assessment, the regulatory authority shall include the information about the strategy described in the integrated national energy and climate plan of the Member State concerned and the scenarios underpinning the ten-year network development plan as developed in accordance with Article 55 of Directive (EU) 2024/1788.