In December 1769, Đorđević called a church congress for the Serbs, and this meeting elected Kirilović, the former vicar of Novaković in the Eparchy of Buda, as the new bishop of Transylvania.
Also in 1770, the empress decided that all liturgical books for the Orthodox peoples of the Habsburg monarchy were to be printing in Vienna, in an effort directed against the importation of texts from Moldavia and Wallachia.
He lived in a rented house and had no church, but with the help of the authorities, placed the local Greek and Aromanian Orthodox under his jurisdiction.
For instance, in 1772, the Orthodox church in Roșia Montană was seized with the help of the army, handed over to the Greek-Catholics and the parish priest arrested.
Such incidents, combined with the restrictions and lack of a residence, led the bishop to request transfer to a Serbian diocese in September 1773.