Case C-105/16 P: Judgment of the Court (Eighth Chamber) of 9 March 2017 — Poland v European Commission (Appeal — EAGGF and EAFRD — Expenditure excluded from EU financing — Rural Development — Regulation (EC) No 1257/1999 — Article 33b — Support for semi-subsistence farms undergoing restructuring — Obligation to spend at least 50 % of the support on restructuring operations)