Drivers are set to strike on Easter Sunday and Monday, and more action is scheduled next weekend
Ibec says the Luas strikes due tomorrow and again on Easter Monday are bad for Dublin and our overall tourist industry.
The business group says it is very disappointing to see the stoppages going ahead alongside the centenary events.
Luas drivers rejected a pay deal of almost 19% on Thursday at the Workplace Relations Commission, citing a lack of trust and the reduction of entrants pay levels.
Meave McElwee from IBEC says Transdev, the company who operate the Luas, will be fined for every day the trams don't run: