Article 27 5.

For electricity, Member States shall ensure that network regulation and network tariffs fulfil the criteria set out in Annex XIII, taking into account network codes and guidelines developed pursuant to Regulation (EU) 2019/943 and the obligation set out in Article 59(7), point (a), of Directive (EU) 2019/944 to allow for necessary investments in the networks to be carried out in a manner ensuring the viability of the networks.