How to reset reference number for invoice, quotation, credit note?

This show how to reset reference number for invoice

  1. Launch Xin Invoice software
  2. Click on Setting [1]
  3. Click on Ref Code [2]
  4. Click on "Reset Running Number" button in Invoice No. Setting. [3]
  5. A popup window will be displayed  
  6. Enter the "Reset Running Number To" field to the next running number [4]
  7. Click on "Reset Now" button [5]
  8. Done