The Dáil has heard new claims of IBRC's relationship with Denis O'Brien.

Sinn Féin's Pearse Doherty has made the claims during a debate on the terms of reference for a Commission of Investigation - saying it's not wide-ranging enough.

He's used Dáil privilege to claim that IBRC's liquidators rejected three attempts from Denis O'Brien to renegotiate his credit agreements before they expired in June 2013.

He says Denis O'Brien then personally made a fourth attempt to negotiate a deal, after his loans had expired - which the liquidators accepted.

Deputy Doherty says he is not alleging any wrongdoing - but he says the actions of the liquidators must also be covered by the Commission of Investigation: