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

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

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

• A 'Powers' window will appear where the user will search 'Bill Modification'.
• Click on 'Accept'.

• An 'Bill Modification' window will appear.

• In 'After E-Invoice Bill', the user will select 'N'.

• The user will now press 'ESC' key.

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

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

• Press 'ESC' key and then 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.

After following the above steps, the user will not be able to Modify Bill after E-Invoice generation in Marg Software.