Judgment_paragraph 29 · HK Danmark, acting on behalf of Jette Ring v Dansk almennyttigt Boligselskab (C‑335/11) and HK Danmark, acting on behalf of Lone Skouboe Werge v Dansk Arbejdsgiverforening, acting on behalf of Pro Display A/S (C‑337/11) (C-335/11, C-337/11)

29It should also be recalled that the primacy of international agreements concluded by the European Union over instruments of secondary law means that those instruments must as far as possible be interpreted in a manner that is consistent with those agreements (Joined Cases C-320/11, C-330/11, C-382/11 and C-383/11 Digitalnet and Others [2012] ECR, paragraph 39 and the case-law cited).