Problem: How to issue a tax invoice for an advance payment and close it at the time of invoicing

Solution: To avoid double-counting VAT when you receive an advance payment and later issue a final invoice, you should follow these steps:

1) Create advance Bank Receipt:

2) Create Tax Invoice for the Bank receipt:

In the Output VAT report, it is possible to see that the VAT has been calculated:

3) Create the invoice and offset it with a Bank receipt (Creating an Invoice. Offsetting prepayments):

Offset will deduct the VAT on the advance, and the invoice will calculate the final VAT.:

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