You can enforce reimbursement policy on certain employees through the Finance menu, and Reimbursement submenu. This activity can only be done by users with Superadmin and admin roles.

 Here are the steps:

1. Go to the Finance menu, and select Reimbursement.
2. Click “Assign / Update”.
   
3. Click the “New” button.
   
4. Select the reimbursement policy that want to apply.
   
5. Select Assign in the type field.
   
6. Fill in the Description field if necessary.
   
7. Click “Add”.
   
8. Select employee.
   
9. Click “Yes”.
   
10. On this page, you can remove the employee from the assigned reimbursement list by clicking “Delete”.
    
11. You can also import the employee list in bulk by clicking the “Import” button. Click here to learn more.
    
12. Click “Save”.
    
13. You can see the actions reimbursement updated in the Type column.
    

That's the explanation of how to assign reimbursement. In addition to assigning, Superadmin/Admin roles can also submit Reimbursement, see here to learn more.