Some businesses are still open because their job is to provide food, medicine, healthcare, or other things we need. The Government is calling these businesses, “essential businesses”.
The Government are calling people who work at essential businesses, “essential workers”.
If you are an essential worker, your work will have told you already.
If your work has not told you that you are an essential worker, you must stay at home.
If you are not an essential worker, your work may ask you to keep doing your work at home.
If you are not an essential worker and you cannot do your work at home, you will need to stay at home and stop working during alert level 4.