L ' EPREUVE EST CONSIDEREE COMME POSITIVE SI L ' ANNEAU DE LAIT PRESENTE LA MEME COLORATION OU UNE COLORATION PLUS PRONONCEE QUE CELLE DE LA COLONNE DE LAIT .
THE RESULT SHALL BE REGARDED AS POSITIVE IF THE COLOUR OF THE RING HAS BECOME THE SAME AS , OR DARKER THAN , THAT OF THE MILK COLUMN .