The terms of reference for the UK Government's review into the Waterhouse inquiry have been published.
It will be led by the High Court Judge, Mrs Justice Macur.
To review the scope of the Waterhouse inquiry, and whether any specific allegations of child abuse falling within the terms of reference were not investigated by the Inquiry, and to make recommendations to the Secretary of State for Justice and the Secretary of State for Wales.
The ministers said details of how the review will be carried out will be up to Mrs Justice Macur.
She will be supported by the Ministry of Justice and the Wales Office and will be offered "all relevant material" required.
A judge who spent three years investigating child abuse in North Wales 'was surprised to be told his inquiry had not heard key evidence.'
The Children's Commissioner for Wales, Keith Towler, said he's handling 66 separate cases following North Wales abuse scandal.
A former resident of Bryn Estyn care home says he wrongly identified the Conservative peer as one of the men who carried out sexual abuse.