Purdue Travel announced 30 European countries now require an electronic travel authorization (ETA) for all U.S. citizens arriving in or connecting through the included countries.
As of Jan. 8, Americans traveling to the United Kingdom for less than six months will need an ElectronicTravelAuthorization, according to CNN. This process takes about 20 minutes to complete.
Attention travelers: there are new requirements if you're planning a trip to the United Kingdom, and eventually to Europe. You'll have to apply for authorization.