Now the vaccine sales agency, the CDC, has the "authority" to institute orders unilaterally upon the USA. On January 29, 2021 the CDC requires the wearing of masks by travelers to prevent spread of#covid. People must wear masks that cover both the mouth and nose when awaiting, boarding, traveling on, or disembarking public conveyances. People must also wear masks when entering or on the premises of a transportation hub in the United States.
https://www.cdc.gov/quarantine/masks/mask-travel-guidance.html
Federal Register Notice: Wearing of face masks while on conveyances and at transportation hubs | Quarantine | CDC
This order requires wearing of masks by travelers on and operators of conveyances to prevent spread of the virus that causes COVID-19
https://www.cdc.gov/quarantine/masks/mask-travel-guidance.htmlFind out about the mind virus that you are fighting... or simply going along with.
What has always been "policy" that affects only government now is seen as "law" that affects real people, without being codified.