102.] The chalice should not be ministered to lay members of Christ’s faithful where there is such a large number of communicants189 that it is difficult to gauge the amount of wine for the Eucharist and there is a danger that “more than a reasonable quantity of the Blood of Christ remain to be consumed at the end of the celebration”.190 The same is true wherever access to the chalice would be difficult to arrange, or where such a large amount of wine would be required that its certain provenance and quality could only be known with difficulty, or wherever there is not an adequate number of sacred ministers or extraordinary ministers of Holy Communion with proper formation, or where a notable part of the people continues to prefer not to approach the chalice for various reasons, so that the sign of unity would in some sense be negated.