192As regards the material scope of the second subparagraph of Article 19(1) TEU, that provision refers to the ‘fields covered by Union law’, irrespective of whether the Member States are implementing Union law within the meaning of Article 51(1) of the Charter (judgment of 2 March 2021, A.B. and Others (Appointment of judges to the Supreme Court – Actions), C‑824/18, EU:C:2021:153, paragraph 111 and the case-law cited).
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