1. Go to Transactions > Price Diff. Purchase > Modify Credit Note. Press Enter.

2. A Modify Credit note window will appear in which user will select Retail.

3. A Modify window will appear in which user will select the options as per the requirement i.e. credit note no,date etc. and then press page down.

4. Now, a purchase price difference credit note as on window will appear in which user will press enter on selected entry which user wants to modify.

5. Then a purchase price difference credit note alteration window will appear. Click on Modify tab to modify the selected entry.

6. Now user can make the changes according to the requirement.

7. Then the press Ctrl+W to save the changes.