Judgment of the Court (Fourth Chamber) of 13 July 2023.#Grupa Azoty S.A. and Others v European Commission.#Appeal – State aid – Guidelines on certain State aid measures in the context of the system for greenhouse gas emission allowance trading – Eligible economic sectors – Exclusion of the nitrogen compounds and fertilisers sector – Action for annulment – Admissibility – Right of natural or legal persons to institute proceedings – Fourth paragraph of Article 263 TFEU – Condition that the applicant must be directly concerned.#Joined Cases C-73/22 P and C-77/22 P.