95As regards the conformity of national legislation, such as Paragraph 7(11) of the RStV, with the principle of equal treatment, it should be recalled that that general principle of Union law is enshrined in Article 20 of the Charter. According to the Court’s settled case-law, that general principle requires that comparable situations must not be treated differently and that different situations must not be treated in the same way unless such treatment is objectively justified. A difference in treatment is justified if it is based on an objective and reasonable criterion, that is, if the difference relates to a legally permitted aim pursued by the legislation in question, and it is proportionate to the aim pursued by the treatment concerned (judgment of 22 May 2014, Glatzel, C‑356/12, EU:C:2014:350, paragraph 43 and the case-law cited).
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