Industry sources say they believe it will be difficult to implement but are resigned to making the changes.
A two-week pause in the introduction of ticketing for nightclubs has been shot down by the Government.
Industry reps had sought the delay to allow them to put the infrastructure in place to take online bookings for access to nightclubs.
At a meeting this afternoon they were told by Department officials the new regulations will be published tonight, and signed tomorrow.
They will require ticketing for entry, booking at least an hour before arrival and no congregation outside venues.
Industry sources say they believe it will be difficult to implement but are resigned to making the changes.

€2 Million Transport Fund Announced to Support Learners with Disabilities
Fears Surround Potential Job Losses At Claire's Newbridge Store
Previously Paused Social Housing Project In Athy Gets Go-Ahead
Spike in Helpline Calls After Controversial Parade Float
Warmest Day Of The Year So Far As Temperatures Climb
Hollywood Comes To Rathangan
12th Lock To Hazelhatch Greenway Has Officially Opened
Banished Temple Bar St. Patrick Statue Makes Surprise Return in Kildare Parades