I am unable to print the invoice acknowledgement number and customer details on my sales invoice. How can I enable this?

To print the invoice acknowledgement number and customer details on my sales invoice, you need to confirm the below step:
Step 1: To print the invoice acknowledgement number and customer details on my sales invoice, ensure that e invoice confirgration is done in GST or VAT.
Step 2: Also, make sure that your QR code print option is enabled in the Sales invoice bill print option, as well as Print E invoice IRN, Ack. No., Act Date.
Step 3: Also, make sure the Voucher Series Configuration option generates an e invoice after the saving option is enabled.
Step 4: Then, confirm whether the invoice format is standard or designed.
Step 2: If standard, then the acknowledgement number and customer details will come perfectly fine because it's a default format; there's no need to configure it for acknowledgement number and customer details.
or
If its design format is something you need to change in your designed advance format, you need to follow the below option:
Step 1: To change the setting in the exiting advance format, you need to contact your local partner or dealer of BUSY because its chargeable setting is BUSY. If the local partner or dealer of BUSY is not able to do this,
Step 2: Then we can do it while BUSY on a chargeable basis.
After that, your invoice acknowledgement number and customer details on my sales invoice will be generated, and in the sale bill print format, you will find a invoice acknowledgement number and customer details on my sales invoice.