Go to gateway of Tally> Accounting Voucher>F8 sales (click on button or use function key F8)
Change the date if needed by pressing F2 or date button.
Click on Acct Invoice button if no stock is involved in the sale, or click on Item Invoice if stock items to be selected.
Accounting Invoice: – This Type of Voucher is used for creating Service invoices, sales invoice for Traders who does not want to keep the track of stock. By using this mode we can bill Income heads ( ledger) like, Professional charges, Consultation fees, sales Ledger Etc.For Example, An agency is charging “Agency Charges” from his client. In this case we bill Agency Charges. As far as accounting concept Agency Charge is an income Ledger .