The Government has slightly updates its Face Covering Guidance to make it clear that transparent face shields cannot be worn on their own as face coverings.

The Guidance also includes links to exempt badges that people can choose to wear.

The Guidance is at 

https://www.gov.uk/government/publications/face-coverings-when-to-wear-one-and-how-to-make-your-own?utm_medium=email&utm_campaign=govuk-notifications&utm_source=2c60bbd4-2165-4ad8-8aa7-13e2270cbbea&utm_content=immediately