The change is said to be temporary until new high-tech scanners are installed at the airport.
New scanners fail EU's stringent tests Mike_shots/Shutterstock
New regulations from the European Commission will change the rules on what items can be brought as carry-on baggage in Europe from September 1st.
Many major airports, including Paris-Charles de Gaulle, abolished the 100ml liquid limit earlier this year but are set to temporarily reinstate it.
Regulations limit the amount of liquids you can bring on board an aircraft to 100ml per bottle, dispenser etc.
This was previously the standard across Europe, but the rule no longer applies after new high-tech scanners were installed at some major airports that can detect liquid contents and check for explosives inside.
Additionally, certain electronic devices, such as laptops, no longer need to be separated from carry-on luggage and can now be left in the bag.
Further testing of the scanner is required
But the European Commission said tests of the new scanners had revealed a series of deficiencies, including in detecting explosives.
All airports in the EU will therefore have to re-apply the 100ml rule, including those that have recently abolished it.
The regulations will come back into force at all airports in the EU, but many airports will not see any changes to the rules as restrictions have not been lifted.
The scanner needs to undergo further testing and be thoroughly inspected.
The European Commission did not give a date for when the upgraded scanners will be available, so it is unclear how long the 100ml rule will remain in place.
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