People Before Profit TD Paul Murphy is seeking a high court injunction preventing so-called 'super junior' ministers attending Cabinet.
They include Galway TDs Hildegarde Naughton, Sean Canney and Noel Grealish.
He says their attendance is against the Constitution, and follows a separate judicial review initiated by Sinn Fein TD Pa Daly recently on the same issue.
The Constitution stipulates a limit of 15 government ministers at Cabinet.
Advertisement
However, Paul Murphy believes a recent article by former Taoiseach Leo Varadkar confirmed efforts to get around that:
