What Are Some of the Transportation Security Administration's Liquid Regulations?

What Are Some of the Transportation Security Administration's Liquid Regulations?

Some of the Transportation Security Administration's liquid regulations as of 2015 include the 3-1-1 rule, which means a passenger carries one quart-size bag filled with liquids that weigh no more than 3.4 ounces each, with a limit of one bag per traveler. Liquids include pastes, creams, aerosols and gels.

The TSA allows some liquids that exceed the 3.4-ounce rule such as baby formula, breast milk and medications. The passenger needs to notify the TSA at the checkpoint. International travelers can carry purchased duty-free items in excess of 100 milliliters in clear containers and undamaged tamper-evident bags, for connecting flights inside the United States.