The Immigration Minister says more than $30m was wasted and two governments weren't told the truth.

The Public Service Commission will investigate officials' behaviour.

The Immigration Minister says more than $30m was wasted and two governments weren't told the truth.

Minister Erica Stanford claims she was misled by officials who avoided Cabinet scrutiny.

A troubled immigration project delivered no measurable benefits and an uncertain price tag before it was dumped last year.

Analysis - National MP Grant McCallum spoke for the room, repeatedly muttering "Jesus!" as Erica Stanford levelled extraordinary allegations against her own ministry.

Immigration Minister Erica Stanford says she was 'furious' she was misled.