Council Regulation (EEC) No 1634/91 of 13 June 1991 modifying the buying-in arrangements for butter and skimmed-milk powder laid down in Regulation (EEC) No 777/87 Basic information No longer in force CELEX number: 31991R1634 Official Journal: JOL_1991_150_R_0026_033 Form: Regulation Procedure number: -- Languages: Dates Date of document: Date of publication: Date of effect: April 1, 1991 Application - Start of season See Art 2 June 15, 1991 Entry into force - Date pub. See Art 2 Date of end of validity: Modified by Modifies Modifies: Affected by case Legal basis EuroVoc Vocabulary Milk products Skimmed milk powder Butter Agriculture and Fisheries Intervention buying Milk products