With the death of the Pope, and before the election of the new one, the temporal things of the Church are cared for by a designated cardinal holding the office of Chamberlain or camerlengo, an office of the papal household that administers the property and revenues of the Holy See. In effect the camerlengo is the unelected and temporary sovereign of Vatican City State. At the moment Cardinal Kevin Farrell is the camerlengo. A key responsibility of Cardinal Farrell was to announce and to certify the death of Pope Francis.
In the coming days you will see and read more about role camerlego has in being a good steward of the Church. Stay tuned.