The Education Minister says Diageo should be asked to cover some of the extra costs of running A&E wards on Arthur's Day.
Ruairí Quinn says the public shouldn't be left out of pocket if public services are stretched as a result of the promotion.
Today marks the fifth annual Arthur's Day, an event originally held four years ago to mark the 250th birthday of the Guinness Brewery.
But Ruairi Quinn says if the event's going to remain an annual occasion, there should be a system to monitor its impact on hospitals:
