Invariably the successor has been the most senior member of the Quorum of the Twelve Apostles , with seniority determined by the longest continuous duration of service .
Shortly after this occurs , the apostles meet in a room of the Salt Lake Temple to appoint a successor .
Invariably the successor has been the most senior successor of the Quorum of the Twelve Apostles , with seniority determined by the longest continuous duration of service .
Shortly after this occurs , the apostles meet in a room of the Salt Lake Temple to appoint a successor .