Changes made by Commission Regulation (EEC) No 1425/89 of 24 May 1989 amending Regulation (EEC) No 1822/77 laying down detailed rules for the collection of the co- responsibility levy introduced in respect of milk and milk products: Commission Regulation (EEC) No 1927/88 of 30 June 1988 amending Regulation (EEC) No 1822/77 as regards collection of the co-responsibility levy in the milk and milk products sector during the 1988/89 milk year