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.

Second Arrest Over Honeywood Property Arson Attacks After Rumours Swirled Around Leixlip Site
Arts Minister Calls For Weekly PAC Scrutiny Of Local Authority Spending
Diageo Confirms Price Of Pints Will Rise
Colonel Johnny Whittaker Appointed Deputy Chief Of Staff Of The Defence Forces
Lucan Woman To Appeal Six-Month Sentence Over Threatening Messages To Tánaiste
Some Kildare Branches Among First To Get Upgraded ATMs In Major Bank Of Ireland Spend
Government To Fast-Track Laws To Fine Tech Companies That Abuse AI
Cyclists Hit Back After Judge Says Some Bike Users Have Become A “Nightmare”