The conflicts at the top of the National Anti-Corruption Commission over Robodebt extend beyond boss Paul Brereton – but the agency is hiding the documents.

The National Anti-Corruption Commission has scrubbed from official freedom of information documents the name of its deputy leader who made the “decision” to not investigate over Robodebt.

The nation's Information Commissioner has savaged the embattled Administrative Appeals Tribunal over a string of freedom of information failures.