He signed up as an organ donor when he was a cardinal.
Pope Benedict carries organ donor card as "an act of love'.
Pope Benedict XVI is a card-carrying organ donor, it emerged today. The disclosure that the pontiff is prepared to donate organs for transplants after his death follows a front page article in the Vatican newspaper, L'Osservatore Romano, calling into question the concept of brain death as the end of life rather than cardio-circulatory arrest.
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The modern Catechism of the Catholic Church
"Donation of organs after death is a noble and meritorious act and is to be encouraged as a manifestation of generous solidarity. It is not morally acceptable if the donor or those who legitimately speak for him have not given their explicit consent."