Business units are another method of defining where an employee works within the company. Business units are not a mandatory requirements in the same way that a Department or Site location but rather an additional feature should a company already use a business units scale.
How to set up Business Units
Firstly, you will need to create a list of your existing business units, this can be accessed through Administration > HR > Business Units
You will then need to Select the green 'Add' button to create your list of business units.
Assigning employees to Business Units
To assign an employee to a business unit, you will need to go to People > Employees and select 'Change' on their employee file.
From here you will be able to select the Business Units from the drop down list - If the option which you are looking for does not appear in this list, you can use the 'Add' button alongside the field to add in your missing option.