Use of the EU digital COVID certificate for travel is getting closer - but how will it all work?
Travel expert Eoghan Corry has said people should be able to download their certificate from the Irish Government website.
The digital document will provide proof that a person has either has been vaccinated against COVID-19, received a negative test result or recovered from COVID-19.
But it remains up to national governments to decide whether travellers with a certificate have to quarantine or get tested.
The certificate will be in use from July 1st and issued free of charge.
Ireland is set to implement it from July 19th to coincide with the resumption of international travel.
The plans, which will allow for travel across the EU, were voted on by MEPs on Tuesday and passed with 546 votes to 93 - and 51 abstentions.
The new system will be in place for 12 months.
Eoghan told The Hard Shoulder teething problems should be down to a minimum.
"Quite a few countries have already implemented it - they include big tourist destinations like Greece and, one of the big outbound markets, Germany.
"July the 1st is the date, there's a three week deadline then for member states to implement it.
"We kick in on July 19th - what that means is our effective ban on non-essential travel continues until then".
Eoghan said the only people who look to be "absolutely certain of being green digital certified" are those who have gone through the full course of vaccine doses.
"We have about a quarter of a million people who have had COVID - once you've had COVID, you're pretty much clear to travel - and we also then have the people who have been through the double dose."
Asked about potential delays in airports after July 19th, he said this is most likely going to happen at immigration desks.
"The numbers are low going through the airport and the systems are working.
"The airlines will probably be fairly good at shifting people through - they have to shift them at the bag check-in and at the gate - and make sure people have their digital green cert.
"The airline will be blamed for bringing people in who are not entitled to land.
"The real issue then is with the State authorities - immigration people will be checking people as they land as well.
"Unless they're staffed up and trained up, we will have a situation as numbers get back.
"We had about 20 flights a day in Dublin Airport there in April, it's gone up to over 60 at the moment and we're expecting it to be back over 100 and probably even more... certainly after the first two weeks.
"We haven't seen [delays] in other countries as numbers ramp up... Dublin Airport itself are pretty much geared up, the real issue will be how the immigration officials manage the checking of QR codes."
And Eoghan added that Irish people are likely to be heading to sun destinations.
"There are only two countries that count: Spain and Portugal.
"Seventy percent of our outbound leisure tourism is to those two countries, and they're managing it quite well".
On accessing the cert itself, Eoghan explained: "It's not available, it's not issued yet - but gov.ie is where it's going to be".