Judgment of the Court (Sixth Chamber) of 21 December 2016$

Judgment of the Court (Sixth Chamber) of 21 December 2016.#Daniel Bowman v Pensionsversicherungsanstalt.#Request for a preliminary ruling from the Oberster Gerichtshof.#Reference for a preliminary ruling — Social policy — Charter of Fundamental Rights of the European Union — Directive 2000/78/EC — Equal treatment in employment and occupation — Article 2(1) and (2) — Discrimination on grounds of age — Collective labour agreement — Extension of the period of advancement from the first to the second step in the salary scale — Indirect unequal treatment on grounds of age.#Case C-539/15.