The canonization process opened in the Diocese of Rome in an informative process that spanned from 16 March 1949 until 9 April 1957 once the investigations had been completed though two separate processes were held; one was held in Kraków from 23 June 1950 to 2 June 1951 while the other was held in Viviers from 13 May 1931 until 28 May 1951. Her writings were all collated and had to be investigated to determine that such writings adhered to official doctrine; the theologians who viewed them approved them on 12 July 1966. The formal introduction of the cause did not come until 15 October 1981 when she was titled as a Servant of God. The apostolic process was dispensed with so the findings of the investigation thus far were sent to Rome to the Congregation for the Causes of Saints who validated these processes on 10 December 1982. The C.C.S. and their consultants approved the Positio dossier on 18 January 1983 while the C.C.S. alone gave their independent approval on 29 March 1983. On 14 May 1983 she was named as Venerable after Pope John Paul II confirmed that she had lived a model Christian life of heroic virtue.