Federal law requires a face mask covering the mouth and nose to be worn on public transportation and in transportation hubs through Sept. 13, 2021. Failure to comply may result in denial of service and possible civil penalties under federal law. Traveling on public transportation increases a person’s risk of getting and spreading COVID-19 by bringing people in close contact with others, often for prolonged periods. Health officials continue to advise us that one of the most effective ways to slow the spread of COVID-19 is to wear a proper face mask with at least two layers of fabric.The Centers for Disease Control and Prevention (CDC) has issued a federal order that requires all people to wear masks while awaiting, boarding, exiting, or traveling on public transportation. People must also wear masks while at transportation hubs and other locations where people board and exit.Operators of public transportation and transportation hubs must use best efforts to ensure that all persons wear a mask when using public transportation or at a transportation hub. Depending on the circumstances, operators must take the following actions:• boarding, or allowing entry, only to people who wear masks• instructing people that wearing a mask is a requirement of federal law and that not complying with the requirement is a violation of federal law• monitoring for anyone who is not wearing a mask and seeking compliance from such a person• at the earliest safe opportunity, removing any person who refuses to complyFor more information, visit the CDC’s website at cdc.gov/covid19.