This option works in exactly the same way as the ‘Enter ad hoc Invoices’ command. It uses a different number sequence prefixed by P. PROFORMA is printed on the form. Unlike an Invoice, it is not posted to the ledgers (unless ‘upgraded’).
If necessary, the Proforma can later be upgraded to an Invoice using the Copy Previous function - see the earlier section in this chapter, ‘Enter ad hoc Invoices’.