Case C-68/05 P: Judgment of the Court (First Chamber) of 26 October 2006 — Koninklijke Coöperatie Cosun UA v Commission of the European Communities (Appeal — Agriculture — Common organisation of the markets — Sugar — Article 26 of Regulation (EEC) No 1785/81 and Article 3 of Regulation (EEC) No 2670/81 — Charge owing for C Sugar disposed of on the internal market — Application for remission — Equity clause laid down in Article 13 of Regulation (EEC) No 1430/79 — Import or export duties — Principles of equality and legal certainty — Equity)