There are two types of invoice: the service type and the product type. When creating a product type invoice, the products to be added in the invoice are setup inside the products inventory screen. Every product added has a product status field.

The default options are: Available, Back Ordered, and Discontinued

To add more options:

Go to the Lists screen under Setup.


1. There are several tabs for different lists used in the system. Find the Product Status tab. 
   
    
   
   
2. There are empty fields still available for more options. Enter the new options in the fields.