Georgia’s Nika Amashukeli will be in charge of their opening fixture against Romania.
The Ireland coaching staff must wait until later in the week to learn the extent of Dan Sheehan’s foot injury.
The hooker is to see a specialist today having been taken off in the first half of Saturday’s win over England.
Attack coach Mike Catt says they should have full clarity on Sheehan’s injury by Thursday.
Meanwhile, the referees for Ireland’s pool games at the World Cup have been confirmed.
Georgia’s Nika Amashukeli will be in charge of their opening fixture against Romania.
Wayne Barnes will oversee the meeting with Tonga
The South Africa game will be refereed by Ben O’Keeffe.
And Aussie Nic Berry will be on the whistle for Ireland’s game with Scotland.

Athy's David Hyland Retires from Inter County Football
Kilkenny's Dowling New Naas Hurling Manager
Defending champions Leixlip's FloMAX Liffey Celtics reach Domino's Women's Superleague National Cup final
Leixlip's Liffey Celtics reach fourth NICC Women’s National Cup final in a row
Kildare Senior Hurling Team vs Galway
Disappointment for Kildare Football Teams
Kildare SF Team (one late change) vs Wexford
Brighton Have Re-Signed Midfielder Pascal Gross