Anyone planning on heading out to Portugal this summer for a much-needed holiday need to make sure to check their passports before jetting off.
The western European country has a specific rule that doesn't apply to any other EU member states and has announced an important passport requirement update for Brits.
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Portugal recently confirmed that UK travellers will be able to use the e-gates when heading into and leaving the country.
The decision - which is the first of its kind by an EU member - is likely to speed up the arrivals and departures process significantly.
However, Brits need to be mindful when whizzing through the e-terminals on their way back to the UK.
The UK Foreign Office has now warned that all UK travellers leaving Portugal must have their passports stamped, or they face logistical difficulties later on.
The organisation's website states: "E-gates are in operation at Lisbon, Faro, Porto and Funchal (Madeira) airports for use by British and some other non-EU passport holders.
"Check your passport is stamped by the border officer when you enter and exit Portugal as a visitor.
"If relevant entry or exit stamps are not in your passport or visible to a border officer on the computer system, a border officer will may presume that you have overstayed your visa-free limit.
"If you use a manned booth, check that your passport is stamped by the border officer when you enter or exit as a visitor.
"You can use the manned staffed immigration booths or, if you are aged 18 and over, the eGates designated for UK and some other non-EU nationals. Hand your passport for stamping to the border officer after you have passed through the eGate."
Passports must be stamped leaving all EU countries to show travelling Brits are abiding by the new 90-day visa free travel rules.
If you fail to get stamped then you may end up finding yourself being banned from entering Portugal in the future.
