The 20-year-old winger's transfer has sparked a major row between the WRU and Wales' four regions.
The union accused the Scarlets of trying to sell North behind his back, a claim which the Llanelli club denied.
The WRU has called talks with the regions over the possible introduction of central contracts, to try to keep players in Wales.
Senior Wales players including Mike Phillips, James Hook and Luke Charteris have left to play their club rugby in France in recent years.
More top news
Beer drinkers may soon never have to face getting a 'bad pint' again, thanks to research by scientists at Aberystwyth University.
The latest poll on voting intentions is due later, as we enter the final day of campaigning before the General Election.
Heavy blustery showers will continue throughout the day. Strong winds expected to affect coastal and more exposed areas.