The Public Expenditure Minister says the former head of the Central Remedical Clinic should be compelled to appear before an Oireachtas Committee.
Brian Conlon resigned yesterday over the top-ups controversy - which saw charitable funds used to boost executive salaries.
And he said he would NOT be answering questions at the PAC when it meets tomorrow .
Minister Brendan Howlin says Mr Conlon should volunteer himself to appear before the Public Accounts Committee.
And he says the Committee has the power to force Conlon to appear if necessary.
