Go: Parties > Customer > New
Throw the information about your customer here like Basic Information including Company Information, Company Contact Information, Address Information, Accounts Information.
If the GST feature is enabled then fill up the following information while making the customer in the application
Go: Invoices > Add New Sale Invoice
Go: Invoices > Sale Invoice List > Click on your desired SO > Select the delivery option namely “Add Delivery” from the Delivery tool of right-top corner.
Go: Invoices> Sales Invoice List > Click on your desired SO > Select the invoice namely “GST Invoice”. from the Report tool of right-top corner (if the GST option is enabled)
For example:-
Go: Invoices > Sale Invoice List > Click on your desired SO> Select the Voucher namely “Receive Voucher”. from the "Add Voucher" tool of right-top corner.
Or,
Go: Vouchers > Receive for SO > Select the Customer name from dropdown then the dued Sale Order invoice will appear on bottom with it's dued amount.
Type the paid amount in "Amount" field then Save and approved for achive accounting effect.
Go: Invoices > New Sales Cancellation Invoice > Select “Order No”
Go: Invoices > Sales Cancellation Invoice List > Click on your desired SO/CL > Select the invoice namely “Credit Note Invoice” from the Report tool of right-top corner.(if GST enabled then it will be Credit Note invoice name)
Above report screenshot describes the detail information related to credit invoice (Note that customized report can be provided)