To access the Tax Invoices list, select Sales > Sales Documents > Tax Invoices. 
The Tax Invoices list
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Generally, tax invoices are generated automatically for documents of the following types: Invoice, Payment Receipt (Advance), Cheque Receipt (Advance), Petty Cash Receipt (Advance), or Output VAT Transaction.
To manually create a new document of the Tax Invoice type, click the Create button on the toolbar.
To edit an existing document, double-click the line with the document in the Tax Invoices list. You can also select the line, right-click it and select Edit or click More actions > Edit on the toolbar.
If you need to print the selected document, send it by email, or perform other operations, refer to List Toolbar.
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