The government will decide on Tuesday whether to allow only fully vaccinated people to eat and drink inside.
It marks a more cautious approach compared with England where pubs and restaurants reopened in May with no vaccine restrictions.
Speaking before a cabinet meeting, Irish transport minister Eamon Ryan confirmed the government was looking at a recommendation by the National Public Health Emergency Team which would require people to “show vaccination status.”
The restrictions could mean delaying Monday’s planned re-opening of indoor hospitality to allow time to develop a system to manage the changes.
Bars, restaurants and cafes have been closed in Ireland for much of the past 16 months, with the latest national lockdown in place since late December.
Outdoor dining and drinking has been allowed since June 7.
The country has the fifth highest rate of Covid-19 infections of the 31 countries monitored by the European Centre for Disease Control.
Vaccine Passports in the UK
Prime Minister Boris Johnson previously suggested venues such as pubs could ask for proof of customers’ vaccination status once all adults had been offered jabs.
Plans to make customers show a vaccine passport at pubs ahead of the May reopening were ditched in a huge boost for the industry.
However, Covid restrictions in the UK are currently the same for fully vaccinated and non vaccinated people.
Meanwhile some EU countries - including Germany, France and Portugal - are allowing Brits who have received both doses to avoid quarantine upon arrival.
People can share their vaccination results via the NHS Covid Pass.
The UK says it wants to drop quarantine for fully vaccinated people returning from amber list countries later this summer but a decision has yet to be made.
Further details of plans are expected in July.
Meanwhile, the Events Research Programme is looking at different ways to hold large events safely such as nightclubs, concerts and sporting events.
In a new scheme, spectators attending Euro 2020 matches at Wembley Stadium have been asked to show their NHS Covid Pass or show a negative lateral flow test.
The government has reassured that Covid passports will never be required in some places including essential shops, public transport and public services.
There will also be exemptions for some people “for whom vaccination is not advised, and repeat testing is difficult”.