But CEO Nic Blakeley said if issues were substantiated, employment action would follow.

The Public Service Commission will investigate officials' behaviour.

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

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

An independent report has identified major flaws in MBIE's handling of a biometrics upgrade project, which wasted more than $30m.

But CEO Nic Blakeley said if issues were substantiated, employment action would follow.

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