The NSW Treasury boss is calling for another, independent investigation into the controversial Transport Asset Holding Entity.
A parliamentary inquiry into the body resumed on Thursday, with Treasury secretary Paul Grimes being questioned a day after a "scathing" report from the auditor-general after just two weeks in the job.
Auditor-General Margaret Crawford will also appear at the inquiry on Thursday after delivering the audit of the state's finances and TAHE, the state-owned corporation with assets including trains, land, rail equipment and infrastructure.