JUDGMENT OF 25. 7. 2018 –– CASE C-220/18 PPU GENERALSTAATSANWALTSCHAFT (CONDITIONS OF DETENTION IN HUNGARY) there to be systemic or generalised deficiencies in the conditions of detention in the prisons of the issuing Member State, the accuracy of which must be verified by the referring court in the light of all the available updated data: – the executing judicial authority cannot rule out a real risk that the person in respect of whom a European arrest warrant has been issued for the purpose of executing a custodial sentence will be subjected to inhuman or degrading treatment within the meaning of Article 4 of the Charter of Fundamental Rights of the European Union, merely because that person has, in the issuing Member State, a legal remedy permitting him to challenge the conditions of his detention, although the existence of such a remedy may be taken into account by the executing judicial authority for the purpose of deciding on the surrender of the person concerned; – the executing judicial authority is required to assess only the conditions of detention in the prisons in which, according to the information available to it, it is likely that that person will be detained, including on a temporary or transitional basis; – the executing judicial authority must assess, to that end, solely the actual and precise conditions of detention of the person concerned that are relevant for determining whether that person will be exposed to a real risk of inhuman or degrading treatment within the meaning of Article 4 of the Charter of Fundamental Rights; – the executing judicial authority may take into account information provided by authorities of the issuing Member State other than the issuing judicial authority, such as, in particular, an assurance that the individual concerned will not be subjected to inhuman or degrading treatment within the meaning of Article 4 of the Charter of Fundamental Rights. [Signatures] ECLI:EU:C:2018:589 21