Bars and restaurants across the country can open their doors for indoor dining for the first time since December.
Only those who have been fully vaccinated or have recovered from Covid-19, will be allowed to avail of indoor service.
A change to the Failte Ireland guidelines overnight means only the lead person for each booking will have to give their phone number for contact tracing, as opposed to everyone.
A maximum of 6 adults will be allowed at one table and wearing face masks will be mandatory while not seated.
Donal O'Keeffe, Chief Executive of the LVA said today is "huge" for the businesses.
He said many businesses are approaching the day with "a mixture of relief, hope and nervousness".
"Some of our members have been closed an incredible 497 days, so it's an important day for our members to rebuild business."