In 1979, allegations were made in an ABC documentary and in the New South Wales and Federal parliaments that Urbanchich had been a Nazi collaborator and anti-Semitic propagandist for the Slovenian government during World War II. He was briefly suspended from the party, but avoided expulsion when the State Executive found by a majority that the claims against him were false.
In 1979, it was reported in an ABC documentary and by the New South Wales and Federal parliaments that Urbanchich had collaborated with the Nazis and promoted anti-Semitic views for the Slovenian government during World War II. He faced a brief suspension from the party but managed to avoid expulsion after the State Executive determined that the allegations against him were false.