The Health Protection (Coronavirus, Wearing of Face Coverings) (England) Regulations 2021 (expired)
These Regulations require members of the public to wear face coverings whilst inside a relevant place specified in the Regulations, or whilst using public transport (such as buses, trains, the London Underground, trams, aircraft and water taxis) in England, to protect against the risks to public health arising from coronavirus, except in certain limited cases. They also require businesses in places where wearing a face covering is required to display notices giving information about that requirement, and prohibit persons carrying on business in specified locations from preventing anyone from wearing a face covering, except in limited circumstances.