The IMO is discussing whether to hold a ballot to investigate the 10 million euro pension payout to their former CEO.
The deal for George McNeice is dominating the agenda at the conference of the Irish Medical Organisation in Co Kildare this evening.
A number of delegates say the union is still recovering from the news of the scale of his package - and they're urging more transparency in future.
It's new President Trevor Duffy is says he supports calls for an investigation - and an open ballot of all members is the only way to do it.
