The European Union (EU) Commission is proposing new guidelines for overseas tourists who hope to visit Europe this summer.

The aim of the Commission's proposal is to ease restrictions on non-essential travel "to take into account the progress of vaccination campaigns and developments in the epidemiological situation worldwide."

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EU Commission President Ursula von der Leyen tweeted on Monday that it's "time to revive the tourism industry" with a proposal to "welcome again vaccinated visitors [and] those from countries with a good health situation."

"Member States should allow travel into the EU of those people who have received, at least 14 days before arrival, the last recommended dose of a vaccine having received marketing authorization in the EU," states the proposal. To prove vaccination status, the EU is working on implementing a vaccination certification program.

The four COVID-19 vaccines are currently authorized in the EU are Pfizer BioNTech, Moderna, AstraZeneca and Janssen Pharmaceutica NV.

However, an emergency brake system is also included in the proposal to "suspend all inbound travel by non-EU citizens" if variants emerge and cases worsen.