Mr McGrath, who served as Minister of State for Disability between 2016 and 2020, on Thursday gave evidence at the hearing of People Before Profit-Solidarity TD Paul Murphy’s action challenging the attendance of super-junior ministers at Cabinet meetings.

Minister of State attending Cabinet, or super-junior ministers, are appointed by the government on the nomination of the Taoiseach.

‘These investments have a significant journey as we all know,’ Micheál Martin said.