Case C-453/23, Prezydent Miasta Mielca: Judgment of the Court (Grand Chamber) of 29 April 2025 (request for a preliminary ruling from the Naczelny Sąd Administracyjny – Poland) – E. sp. z o.o. v Prezydent Miasta Mielca (Reference for a preliminary ruling – Aid granted by a Member State – Article 107(1) TFEU – Concept of State aid – Selectivity of a tax measure – Criteria for assessment – Determination of the reference framework – Property tax – Exemption for land, buildings and structures forming part of railway infrastructure)