Corrective Services Minister David Elliott has refused to reveal changes he submitted to a draft of an independent report into the state’s juvenile jails following revelations about the unlawful use of solitary confinement.

On Wednesday Inspector of Custodial Services Fiona Rafter told a parliamentary hearing her long-awaited report was “different” following a submission from Mr Elliott. She refused to table the draft she showed to the Minister, citing legal advice.

NSW Corrective Services Minister David Elliott. Credit:AAP

The Minister refused a Herald request to release his submission, referring inquiries to the inspector.

The review was commissioned in 2016 after a Herald investigation exposed the use of prolonged unlawful solitary confinement in the state's juvenile justice system.