(CNN) The Department of Homeland Security and Centers for Disease Control and Prevention are now restricting cruise ship passengers and crew arriving in the US from boarding domestic commercial flights.

The restrictions will apply even to people not showing symptoms and also would require 14-day quarantines for cruise passengers and crew.

CNN reported on the restrictions being finalized earlier Sunday.

An administration official said these new protocols would likely be agreements between cruise ship companies and the government, requiring that they be followed in order for these ships to dock at specific ports.

That official added that there could be a range of exceptions and specific circumstances that would divert from the new protocols, specifically as it relates to foreigners on the ships.

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