C-174/21European Commission v Republic of Bulgaria

Domstolens egne nøkkelord

Failure of a Member State to fulfil obligations – Directive 2008/50/EC – Ambient air quality – Judgment of the Court establishing a failure to fulfil obligations – Article 260(2) TFEU – Obligation to take the necessary measures to comply with such a judgment – Failure to fulfil that obligation alleged by the European Commission – Lack of clarity of the letter of formal notice as to whether the judgment still had to be complied with on the reference date – Principle of legal certainty – Inadmissibility.

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