The Advantage Travel Partnership is working to ensure its agents and their clients are fully aware of the new European Union entry rules due to come into force in November.
The European Travel Information and Authorisation System (Etias) is expected to come into force in November.
Britons will be required to apply online for an Etias at a cost of €7 (about £6.20).
A biometric Entry/Exit system (EES) is also expected to be in place by the end of 2023.
Julia Lo Bue-Said, chief executive at the consortium, described the systems as “another example of one more hurdle and cost holidaymakers will have to consider for travel into the EU in future”.
“Travel as we once knew it has changed forever and the ability to travel freely in a post Brexit era is no longer available to British passport holders,” she said.
“What we do know is that three years later our ability to travel frictionlessly has been taken away.
“Covid masked much of the Brexit impact for travellers and no more visa-free travel for Brits across the European Union highlights yet another hurdle to navigate.”
She said the consortium’s advice to consumers is to book through a travel agent who can support customers in navigating “complex booking processes and ensure they are up to date on all travel requirements”.
Juan Molas, president of Spanish tourism lobbying body Mesa del Turismo, has said there is concern about the new tourist tax, especially its impact on holidaymakers from the UK – Spain’s main source market.
He has warned it constitutes a “potential threat” to the competitiveness of the Spanish tourism.
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