People attending the theatre or cinemas in the Republic of Ireland must show proof of vaccination from Thursday (November 18).
Pubs, nightclubs and restaurants must close by midnight in a bid to curb rising Covid-19 case numbers.
Echoing his contemporaries in Scotland, Wales and more recently, Northern Ireland, Taioseach Michael Martin said vaccine passports are a "proportionate and effective" approach.
Northern Ireland Health Minister Robin Swann has proposed introducing the passports in cultural venues and other spaces with more than 500 attendees by mid-December.
England is still holding out, with no word on whether ministers will activate the country's Plan B for winter.
Published: 17-11-2021