In England, you must by law wear a face covering in the following settings:
- (...) -Shops and Supermarkets as of 24 July 2020
My question is: what is the nature of the law which is referred to in the citation above, i.e. how this law came to be? Presumably via some sort of executive power of the UK government as there hasn't been a vote specifically on this in the parliament as far as I'm aware.