21. It is a staffing agency which may provide per diem or locum tenens nursing personnel to hospitals, medical offices and individuals. 22. After leaving private practice in the early 1990s he traveled the United States, working locum tenens assignments as a temporary substitute. 23. At the death of Patriarch Ignatius Antony I Samheri on 16 June 1864, he was appointed Locum tenens of the Patriarchate. 24. He never practised medicine, nor, except for a short time as " locum tenens ", did he do any ordinary clerical duty. 25. He was appointed administrator of Serbian patriarchy metropolitanate ( locum tenens patriarch ) by emperor Franz Joseph I of Austria in 1872. 26. It was restored as a separate diocese in 2009, with Metropolitan Jonah, who remained bishop of the Washington diocese, as " Locum tenens ". 27. As with locum tenens physicians, the idea is that continuity exists between the work done by the substitute and that done by the other professional. 28. Following the resignation of Metropolitan Jonah ( Paffhausen ) in July 2012, Bishop Nathaniel was appointed as the " locum tenens " of the OCA. 29. On 30 May, the Synod of Jerusalem chose Metropolitan Cornelius of Petra to serve as locum tenens pending the election of a replacement for Irenaios. 30. Unlike the advocate, however, the vice-dominus was at the outset an ecclesiastic, who acted as the bishop's lieutenant ( " locum tenens " ) or vicar.