Judgment of the Court (Fourth Chamber) of 27 March 2019.#Mariusz Pawlak v Prezes Kasy Rolniczego Ubezpieczenia Społecznego.#Request for a preliminary ruling from the Sąd Najwyższy.#Reference for a preliminary ruling – Internal market for postal services – Directives 97/67/EC and 2008/6/EC – Article 7(1) – Definition of ‘exclusive or special rights for the establishment and provision of postal services’ – Article 8 – Right of the Member States to organise the registered mail service used in the course of judicial procedures – Time limit for lodging a procedural document before a court – Interpretation of national law in conformity with EU law – Limits – Direct effect relied on by an emanation of a Member State in proceedings between that emanation and an individual.#Case C-545/17.