Manual Invoices can be created in the system for one time Fixed Payments for Vendors.
Step1 :Select Vendor Invoice Settings—>Vendor Invoice Types and select the record and click on Create Manual Invoice.
Step 2: In the PoP-up Screen enter the details and click on the continue button.
Step 3: Enter the Details below as shown below and click on the Add Item button.This will enable to add Rate,Quantity,discount to the Invoice Line item.
Step 4: Below is the Invoice format which will be generated when Manual Invoice is created.