Cancelled Tally Sale Invoice E Invoice IRN missing

 IRN (Invoice Reference Number) is mandatory for all invoices, including cancelled ones.

 Here's a step-by-step guide to generate IRN for a cancelled sales invoice in Tally:

1. Open Tally and go to the "Gateway of Tally" screen.

2. Click on "Accounts Info" and then "Voucher Types".

3. Select the voucher type for which you want to generate IRN (e.g., Sales).

 4. Click on "Alter" and then select the cancelled voucher.

5. In the "Voucher Alteration" screen, click on "More Details".

6. In the "More Details" screen, click on the "IRN" button..

 7. Select the relevant details and click "Generate IRN". If it's been more than 3 months since the invoice was cancelled,

you may need to take additional steps:

1. Check if the invoice is still in the "Cancelled" status.

 2. If it's not, you may need to restore the invoice to its original state.

 3. Then, follow

 the above steps to generate  regulations.

Sir, Thank you very much for your valuable information