 With the approval of the local ordinary, this can be done. Clergy and extraordinary ministers of Holy Communion need to be aware of the possibility of cross-contamination and related issues in order to plan for the safe administration of the sacred species to Catholics with gluten intolerance. For example, the chalice given to a person with gluten intolerance should not contain a particle of the host and low-gluten altar breads should never be intermingled with regular altar breads, et cetera, et cetera. Okay, so that's...