Q: Do you know of any authority that says that a communicant must receive communion in two hands? In other words, if the communicant is holding a child, or a cane, the minister must place the host on the communicant’s tongue and not on their hand. Thank you.
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A: No, I don’t know of any legislation.
I tend to agree that two hands makes it look more like the person is giving complete attention to receiving communion. But the communicant may personally feel that their circumstance makes a single hand just as attentive and reverent as two.