Celtic Rugby, together with Ulster and the Ospreys, have confirmed their decision that the sides' Magners League match, which was postponed from Friday, March 19, will now be played on Tuesday, April 13 at Ravenhill (kick-off 7.30pm).
Tickets originally purchased for the two postponed Ulster v Ospreys games - on January 8 or March 19 - will be valid for the clash at Ravenhill on Tuesday, April 13.
Tickets for the rescheduled fixture are now on sale from;: the Ravenhill Ticket Office, the Ticket Line (tel: 028 90493 222), www.ulsterrugby.com and all usual Ulster Rugby ticket outlets province-wide.
Speaking ahead of Saturday's clash with Australia, Ireland flanker Rhys Ruddock said: "We need to bring the defensive physicality we had against South Africa, as Australia have threats all over the park. We need to be at the top of our game."
As the countdown continues to Ireland's GUINNESS Series showdown with Australia, number 8 Jamie Heaslip talks about the Georgia game and what it will be like to face an 'old friend' in Michael Cheika this Saturday.
Behind the scenes with the Three Tunnel Cam at the Aviva Stadium for the Ireland v South Africa clash in the 2014 GUINNESS Series. Ireland ran out 29-15 winners with Jonathan Sexton winning the man-of-the-match award.