18 May, 11:09
IRFU Chief Executive Philip Browne has issued a statement following confirmation of Ronan O'Gara's decision to retire from playing professional rugby.
Celtic League fixtures involving all four provinces have been rescheduled over the festive period.
Two games have been put back from before Christmas until after - Ulster will now play Leinster on Monday, December 26 (kick-off 7.30pm) at Ravenhill, whilst Munster host Connacht on Tuesday, December 27 (kick-off 7.35pm) at Thomond Park.
In the final change, Leinster's home game against Munster reverts to New Year's Eve - Saturday, December 31 (kick-off 5.30pm).
Meanwhile, the venue for Leinster's Celtic League fixture against the Cardiff Blues on Saturday, October 15 has been moved to the 13,500-all seater Royal Dublin Society (RDS) ground. The Dublin 4 venue has also been chosen by Leinster to host their forthcoming Heineken Cup pool stage matches.