80However, it is clear from the Court’s case-law that, even if recommendations are not intended to produce binding legal effects, national courts are obliged to take them into consideration with a view to resolving the disputes submitted to them, in particular when they are intended to supplement binding European Union provisions (see, to that effect, judgments of 13 December 1989, Grimaldi, C‑322/88, EU:C:1989:646, paragraph 18; of 11 September 2003, Altair Chimica, C‑207/01, EU:C:2003:451, paragraph 41; and of 15 September 2016, Koninklijke KPN and Others, C‑28/15, EU:C:2016:692, paragraph 41 and the case-law cited).
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