Original Invoice Lines and/or Amount visible after cancel Invoice

Summary:

For a Client and for fiscal reasons, I need to be able to see the original lines or at least the original amount of an invoice when an Invoice is cancelled. Ideally, I would need to see an item for x amount and later another line with simply a reverse -x amount that cancels the invoice. How is this possible?

This is because the invoices are sequenced and gapless, therefore you need to justify why an invoice would be zero. This would be in the case that a validated and accounted invoice was inserted incorrectly.

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