According to canon law, a Catholic church must be desacralized (or deconsecrated) in order to be licitly used for other, though not just any, purposes[0]. [0]

According to canon law, a Catholic church must be desacralized (or deconsecrated) in order to be licitly used for other, though not just any, purposes[0]. [0] https://www.ewtn.com/catholicism/library/when-a-church-is-desacralized-4401 https://www.ewtn.com/catholicism/library/when-a-church-is-de...