59For the purposes of determining the amount of a penalty payment, the basic criteria which must be taken into consideration in order to ensure that that payment has coercive effect and that EU law is applied uniformly and effectively are, in principle, the seriousness of the infringement, its duration and the ability to pay of the Member State in question. In applying those criteria, regard must be had, in particular, to the effects on public and private interests of the failure to comply and to how urgent it is for the Member State concerned to be induced to fulfil its obligations (judgments of 12 November 2020, Commission v Belgium (Income from foreign immovable property), C‑842/19, EU:C:2020:915, paragraph 65, and of 20 January 2022, Commission v Greece (Recovery of State aid – Ferronickel), C‑51/20, EU:C:2022:36, paragraph 96 and the case-law cited).