Order of the General Court (Tenth Chamber) of 18 December 2019.#Lazarus Szolgáltató és Kereskedelmi Kft. (Lazarus Kft.) v European Commission.#Action for annulment — State aid — Allegedly unlawful aid implemented by Hungary in favour of undertakings employing disabled workers — Alleged Commission decisions declaring the aid measure compatible with the internal market — Time limit for bringing an action — Point from which time starts to run — Knowledge acquired — Proof — Duty of diligence — Act not open to challenge — Inadmissibility.#Case T-763/18.