Corrections minister Judith Collins has sought to close a loophole which meant CYF were not always informed if a child abuser was released from prison.

The case of man who fractured his baby's skull, leg and ribs has prompted Corrections to begin informing Child, Youth and Family (CYF) whenever a child abuser is released from prison.

Romeo Misipati was released from prison last year after serving one year of a two-year sentence for grievous bodily harm and ill-treatment of a child.

Earlier this year, he successfully fought against deportation to Samoa, with the Immigration and Protection Tribunal ruling it was in the public interest for the father-of-four to remain in New Zealand and be reintegrated into the family home.

Despite being assessed a "moderate" risk to reoffend, both a clinical psychologist employed to analyse Misipati and a CYF manager agreed the best outcome for the family would be for him to remain near his children.

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He was found to be "willing, and becoming properly equipped, to fulfil his parental responsibilities", and deportation would only compound the negative impact on his children.

Corrections Minister Judith Collins said it was revealed in January that Corrections did not have an automatic procedure for advising CYF when a convicted child abuser is released from prison.

"This has now been rectified," she said.

"Existing information sharing policies meant Corrections already notified CYF about many prisoners with offences against children. However, in January, some gaps in the process were identified and these have now been closed.

"Corrections advises CYF when prisoners serving current sentences for offending against children are released. CYF is also informed when prisoners with historic offending against children are released, where there is a concern."

She said this process-change would move to ensure prisoners serving short sentences of less than two years would also be accounted for.