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.

The Tánaiste said the existing private member’s Bill would have required major changes to make it constitutional

The law would ban the import into Ireland of goods and services that originated in Israeli settlements in the West Bank and Gaza.

Irish attorney general Rossa Fanning was speaking at the International Court of Justice in The Hague