When creating a retail sale, you are required to specify who the staff member is that made the sale. This is used for reports, and for calculating commission. If the incorrect staff member was chosen when creating the sale, you have the ability to edit this from the account screen.
From the account screen, click on 'Add / Edit / Delete Retail':
If your user profile has the ability to edit account retail sales, you will be able to select the correct staff member from the staff dropdown menu. When you change the staff member, the change is done immediately and a 'success message' is shown when the staff member for the sale has been changed:
