Če je podjetje plinskega gospodarstva, ki opravlja dejavnosti prenosa, distribucije in skladiščenja plina ali utekočinjenega zemeljskega plina (UZP), po svoji pravni obliki ločeno od podjetij za proizvodnjo in/ali dobavo plina, so lahko imenovani upravljavci omrežij ista podjetja, ki so lastniki infrastrukture.
In case of a gas undertaking performing transmission, distribution, storage or liquefied natural gas (LNG) activities and which is separate in its legal form from those undertakings performing production and/or supply activities, the designated system operators may be the same undertaking owning the infrastructure.