• Go to Masters > Password & Powers > Operator's.

• A 'Password & Authority' window will appear.
• Select the user to make changes. Then Press 'Enter' key.

• A 'Powers' window will appear in which the user will select ‘Search In All’.

• A 'Powers' window will appear in which the user will search 'Duplicate'.
• Now click on ‘Accept’.

• A 'Duplicate' window will appear.
• In ‘Duplicate Bill Printing Y-Allowed 1,2,3-Times Only N-Not Allowed’, the user will select ‘1’.

• The user will now press 'ESC' key.

• Again press 'ESC' key and click on ‘Yes’ to save the changes.

• A Pop-Up 'Powers Change will appear then the user will press 'ESC' key.

• Press 'ESC' key and click on ‘Yes’.

• Now for Re- login the user will press 'Ctrl+U' key on the main screen.   

• A 'Change User' window will appear in which the user will enter the User ID and Password. 

• A 'Change User' window will appear in which the user will press 'ESC' key.

• To check the implementation user will go to Transaction > Sale > Modify Bill (Alt+M).

• A 'Modify' window will appear in which the user will select All time from the drop down.

• A 'Sale Book As On' window will appear.
• The user will select the invoice .

• A 'GST Invoice Alteration' window will appear in which user will click on the Print button.

After following the above steps, the user can Ban Duplicate Bill Printing for a User in Marg Software.