Commission Regulation (EC) No 224/2003 of 5 February 2003 determining the aid referred to in Council Regulation (EC) No 1255/1999 for the private storage of butter and cream and derogating from Article 29 of Regulation (EC) No 2771/1999 laying down detailed rules for the application of Regulation (EC) No 1255/1999 as regards intervention on the market in butter and cream