Case C-308/19: Judgment of the Court (Second Chamber) of 21 January 2021 (request for a preliminary ruling from the Înalta Curte de Casaţie şi Justiţie — Romania) — Consiliul Concurenţei v Whiteland Import Export SRL (Reference for a preliminary ruling — Competition — Penalties imposed by the national competition authority — Limitation period — Actions interrupting the limitation period — National legislation precluding, after the initiation of an investigation, the possibility that subsequent action for the purpose of proceedings or investigation may interrupt the new limitation period — Principle that national law must be interpreted in conformity with EU law — Regulation (EC) No 1/2003 — Article 25(3) — Scope — Article 4(3) TEU — Article 101 TFEU — Principle of effectiveness)