What is the ruling on selling a designated sacrificial animal if the owner dies?

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If a person designates a sacrificial animal and then dies, the animal cannot be sold, even if the deceased leaves behind debts for which there is no other means of repayment. The heirs assume the deceased's position concerning the right to eat from it, give it in charity, or as a gift, as they stand in the place of the deceased regarding his rights and liabilities.