… The powers of the [European] Commission to recover aid shall be subject to a
limitation
period
of 10 years.
2. The
limitation
period
shall begin on the day on which the unlawful aid is awarded to the beneficiary either as individual aid or as aid under an aid scheme. Any action taken by the Commission or by a Member State, acting at the request of the Commission, with regard to the unlawful aid shall
interrupt
the
limitation
period
. Each
interruption
shall start time running afresh. …
… The
limitation
period
shall be suspended for as long as the decision of the Commission is the subject of proceedings pending before the Court of Justice of the European Union.
3. …
… In that context, the limitation rules that might be applicable are, therefore, those of national law, subject to the
principles
of
effectiveness
and
equivalence
(see, to that effect, judgment of 23 January 2019, Fallimento Traghetti del Mediterraneo, C-387/17, EU:C:2019:51, paragraph 73).
20 As regards the arguments of the recipient undertaking, České dráhy, which claims that, in the case of existing aid, which falls within the scope of Article 108(1) TFEU, the national courts do not have the power …