AMs will vote today on an emergency bill which would allow the Welsh Government to have powers over farm workers' pay and conditions in Wales.
It would replace the Agricultural Wages Board (AWB) which was abolished by the UK Government last month - This is the board that regulates farm workers and sets minimum pay levels.
The changes will affect more than 13,000 farm workers in Wales.
More top news
The peer will attack Prime Minister Theresa May for failing to represent the 48% who voted in favour of Remain.
Paul Flynn, MP for Newport West, will open the debate in Westminster Hall.
It will represent another boost to the region, after the announcement Deca Sealand was chosen for a repair hub for defence aircraft.