An external review is to be carried out into the now-scrapped secondment of Tony Holohan to Trinity College.
Health Minister Stephen Donnelly says he'll appoint an expert to oversee it.
He says there are lessons to be learnt from the Chief Medical Officer's planned job move.
The secretary-general of his department, Robert Watt, defended his role in the appointment, in a report published last night.
Sinn Féin's health spokesman, David Cullinane, says several questions remain unanswered: