Publicans have reacted strongly to what they describe as a "crazy" new law requiring restaurants and pubs serving food to record all individual food orders and keep the information for 28 days.
The Vintners' Federation of Ireland said the temporary rule, contained in a statutory instrument, is "bureaucracy gone mad".
Fáilte Ireland has updated its guidelines for the industry to stop the spread of Covid-19.
There should be a maximum of six people from three separate households at a table in a café or restaurant from now on.
Businesses and services must keep a record of what each person orders.The time and date of customers' arrival must be noted.
The name and contact details of one person per party must be recorded for both walk-ins and booking and all details will be kept on file for 28 days.
When it comes to drinks, all straws must be individually wrapped and embellishment or decoration of glasses like cocktail umbrellas should be minimised.