That's according to the Irish Times.
The IRFU are facing a case from former Irish players over claims they suffered brain injuries during their careers.
According to the Irish Times - a Dublin based solicitors firm - Maguire McClafferty - is taking the lawsuit on behalf of a number of unnamed players.
Their action is separate to one being pursued in the UK.

Garcia Stops Benn In Two Rounds To Claim WBC Welterweight Title
Arsenal's Perfect Record Stays With Win At Sunderland
Rybakina Beats Sabalenka To Claim First US Open Tennis Crown
Lowry Takes Four-Shot Lead Into Irish Open Final Round At Doonbeg
Maguire Set For Solheim Cup Singles Showdown As Europe And US Locked Level
Sunday Morning Sports Update
St Pat's Beat Shamrock Rovers As Title Race Tightens