It has been a protected name since the War Legislation Amendment Act 1916. Today it is protected under the Flags, Emblems, and Names Protection Act 1981.
A furore recently erupted in Australia over an activist group promoting a some sort of direct action training weekend as a Activists, Newcomers and Zealots Action Camp.
The story on Indymedia has been deleted as it was also in breach of Australian law.
Hat Tip: Tim BlairTags: ANZAC