This is the problem. The crematory should have a place to dispose of them. Most people don't want them.
Why not put ashes into a grave in a cemetery?
Thats what Catholics are supposed to do. Not that they do it. But they are obliged to do so. Burying the dead is a tenet of Catholicism were not supposed to keep their ashes in a pot in a closet.
This is the problem. The crematory should have a place to dispose of them. Most people don’t want them.
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I don’t know this for certain, but I believe most funeral homes and crematories offer to dispose of cremated remains if no family members or others request to have them.