Court of Justice 13 December 1979, 95/79 and 96/79 (Procureur du Roi v Charles Kefer and Louis Delmelle.)

OPINION OF MR ADVOCATE GENERAL MAYRAS DELIVERED ON 13 DECEMBER 1979 ( 1 ) Mr President, Members of the Court, The two references for preliminary rulings that are before this Court are identical in origin; they relate to two sets of proceedings brought in Belgium against two retail butchers accused of having charged consumers prices not in compliance with the provisions of the Ministerial Order of