On 22 December 1981 Polish Primate Jozef Glemp gave him the job of vicar general of the faithful of the Byzantine-Ukrainian rite for the Southern Vicariate. On 20 July 1989 Vardimissany appointed titular bishop and auxiliary bishop of the Polish primate, the Ordinary for the faithful of the Eastern rites in Poland by Pope John Paul II. On 16 September 1989 he was ordained bishop of Jasna Gora.