In February 1949, the foreign ministry of the Bulgarian People's Republic removed all legal recognition of the Holy See.

[2] Shortly after World War II, the Communist Party of Bulgaria initially showed benevolence towards Catholic organizations in the country prior to the signing of the Paris Peace Treaty to demonstrate its democratic values to the Western Allies.

At an Orthodox conference in Moscow, in July 1948, they accused the Roman Holy See of supporting Italian fascism and called for the abrogation of concordats with the Catholic Church.

In a letter to the Vatican Secretary of State, Foreign Minister Vasil Kolarov declared that Bulgaria no longer recognized the Holy See and that its apostolic delegation had no legal status.

[2] The Bulgarian foreign ministry granted the Catholic Church in Bulgaria equal rights under the law in 1989, as part of the democratization process.