To edit the invoices, you should edit the Materials used, Quantity, or Tax amount.


To edit the Materials or Quantity


  • Go to the TT Invoice Headers tab,
  • From the invoice list, click on the Invoice Header name to edit it
  • Go to the Related tab and click on the Invoice Detail and click the invoice Detail No.
  • Edit the Materials, and Quantity and save it.
  • Now the invoice amount will get calculated according to the changes made.



To edit the Tax amount


  • Go to the details tab from the invoice page,
  • Edit the Tax amount or the surcharge Rate and Save it
  • The total Bill amount will change upon saving it.