I believe there are a few cases. There’s a lady who is a consecrated virgin, who is also cloistered, and whose bishop allowed her to make a Blessed Sacrament chapel in her house.
And of course, if you are ever wealthy enough to sponsor your own parish on your European estate, you can have the Blessed Sacrament reserved in your chapel by your chaplain.
However, it’s a big responsibility. One of the big Quebec politicians had a Blessed Sacrament chapel in his house, back in the 1960’s or before? There was a fire that burned his place down. He died trying to rescue the tabernacle from the fire.
My view is that the bishop can’t allow reservation in a private home, as the Blessed Sacrament can only be reserved in a sacred place (a church, oratory, or chapel). As canon law says:
"Can. 934 §1. The Most Holy Eucharist:
must be reserved in the cathedral church or its equivalent, in every parish church, and in a church or oratory connected to the house of a religious institute or society of apostolic life;
can be reserved in the chapel of the bishop and, with the permission of the local ordinary, in other churches, oratories, and chapels."
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