People who still have the 'old style' burgundy red passports have been warned of a change that could leave them unable to travel.
Since Brexit a new blue passport has started being issued with the lettering 'British Passport' and without any reference to the EU.
Thousands of people have still been able to use their red passports, however, if they're in date. But due to changes in rules around expiry dates, passports are now only valid for 10 years exactly - additional months are no longer valid.
Hays Travel issued the stark warning to Brit holidaymakers centres around alterations in expiration dates for red passports.
The passports are now only valid for exactly 10 years, regardless of any additional months shown.
A statement from Hays Travel Plympton, a Plymouth branch of the UK's largest independent travel agent, told Plymouth Live : "Important passport update changes: due to changes in validity since leaving Europe, your passport is now only valid for 10 years from the issue date on your passport.
"If your passport was issued prior to the UK leaving the EU with additional months on, those extra months are no longer valid."
"Example: passport issue date 21st Jun 2012, passport expiry date 21st Dec 2022. Your passport expiry date is now the 21st Jun 2022.
"Most countries in the EU require that your passport is valid for six months on the date of return from your holiday, some countries it’s three months, meaning the last date you could return on the above example would be the 21st Dec 2021."
What does the UK government say?
The government advises you check your passport is valid before you travel abroad.
An online questionnaire helps you check if you need to renew your passport before travelling to an EU country, Switzerland, Norway, Iceland or Liechtenstein. You can fill in the form here.
The government also advises that if you’re travelling to another country, you check the entry requirements of the country you’re visiting to find out if you need to renew your passport.
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