Case C-248/04: Judgment of the Court (First Chamber) of 26 October 2006 (reference for a preliminary ruling from the College van Beroep voor het bedrijfsleven –Netherlands) — Koninklijke Coöperatie Cosun UA v Minister van Landbouw, Natuur en Voedselkwaliteit (Preliminary reference — 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 due for C Sugar disposed of on the internal market — Inapplicability of Article 13 of Regulation (EEC) No 1430/79 — No possibility of repayment or remission on grounds of equity — Validity of Regulation (EEC) No 1785/81 and Regulation No 2670/81 — Principles of equality and legal certainty — Equity)