Judgment_paragraph 23 · Prezes Urzędu Komunikacji Elektronicznej and Petrotel sp. z o.o. w Płocku v Polkomtel sp. z o.o (C-231/15)

23In the absence of EU rules governing the matter, it is, generally, for the Member States, in the exercise of their procedural autonomy and subject to compliance with the requirements arising from the principles of equivalence and effectiveness, to lay down the procedural rules applicable to an appeal such as that at issue in the main proceedings (see, by analogy, judgments of 18 March 2010, Alassini and Others, C‑317/08 to C‑320/08, EU:C:2010:146, paragraph 47 and the case-law cited, and of 27 June 2013, Agrokonsulting, C‑93/12, EU:C:2013:432, paragraph 35).