Case C-517/04: Judgement of the Court (Second Chamber) of 8 June 2006 (Reference for a preliminary ruling from the College van Beroep voor het bedrijfsleven (Netherlands)) — Visserijbedrijf D.J. Koornstra & Zn. vof v Productschap Vis (Charge on the landing of shrimp with fishing vessels registered in a Member State intended to finance shrimp sieving and peeling equipment in the same Member State — Article 25 EC — Charges having an effect equivalent to customs duties — Article 90 EC — Internal taxation)