Case C-335/09 P: Judgment of the Court (Grand Chamber) of 26 June 2012 — Republic of Poland v European Commission (Appeal — Common organisation of the markets — Transitional measures adopted because of the accession of new Member States — Regulation (EC) No 1972/2003 on measures in respect of trade in agricultural products — Action for annulment — Period within which action must be brought — Point from which period starts to run — Lateness — Inadmissibility — Amendment of a provision of that regulation — Recommencement of period within which action must be brought — Partial admissibility — Grounds of appeal — Infringement of the principles underlying a community based on the rule of law and of the principle of effective judicial protection — Infringement of the principles of free movement of goods and of non-discrimination on grounds of nationality — Infringement of the principles of proportionality and protection of legitimate expectations — Infringement of the hierarchy of norms — Infringement of Article 41 of the 2003 Act of Accession — Erroneous interpretation of Article 3 of Regulation (EC) No 1972/2003 — Infringement of duty to state reasons)