Fianna Fail TDs will face sanctions if they don't support Simon Coveney in a vote of no-confidence next week.
The motion has been tabled by Sinn Fein following the controversial Katherine Zappone appointment.
It says the Foreign Affairs Minister's handling of the situation amounted to cronyism and fell below the standard of government expected by the public.
Taoiseach Michael Martin says the no-confidence motion is a classic opposition manoeuvre:
Longford based Senator Micheal Carrigy has branded the Sinn Fein motion of no confidence in the Foreign Affairs Minister as an attempt to grab the headlines.
The Fine Gael Senator believes the ongoing debate from the opposition is taking the focus from more important projects.
Senator Carrigy says the ongoing responses to the Covid and housing crisis are being overshadowed: