NextGen - How to update an invoice series for a clinic ?

NextGen - How to update an invoice series for a clinic ?

1) Click on the setup icon as shown below. Navigate to organisation then click on clinics. 
A > Click on Setup.
B > Click on Organization.
C > Click on Clinics.



2) Click on the Settings icon as shown below against the clinic you would want to make the changes to. 



3) Under General, add the invoice series as per your preferences and click on save.