Bosses at AIB Bank are to be called-in to the Finance Committee to face questions on debt write-downs.
It follows reports that former hurling star, DJ Carey, had a loan running into millions of euro written-down by 99%.
AIB's Chief Executive told staff yesterday that all of the facts of the case were not yet in the public domain.
Subsequent reports now suggest the bank also recovered and sold a number of properties.
In the Dáil, the Taoiseach said he was reluctant to talk about any individuals personal finances.
The issue was raised by Aontú leader, Peader Tóbín, who said it would be difficult for many to see if others were treated differently by the banks.
"Many people who will have experiences of mortgage distress themselves, whether they be an illness, or whether they have mica homes, which are mortgages on lumps of rubble, or whether they're small businesses will have experienced these banks telling them that it's impossible to give writedowns to reduce the level of debt that they owe."
