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tryton/doc/usage/amend.rst
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David Harper ef06bb6aa5 Improve documentation
issue9708
review308351002
2021-02-17 13:41:42 +00:00

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.. _Correcting invoices:
Correcting invoices
===================
`Invoices <model-account.invoice>` can only be changed when they are in a
draft state.
Once an invoice has been posted you will need to
`credit it <Crediting customers and suppliers>`, and reissue it by creating
a new invoice with the correct information on.
.. tip::
If you need to create a new invoice that is almost the same as an existing
invoice you can use the :guilabel:`Duplicate` item from the form's menu to
copy the existing invoice.
The duplicate invoice will be created in a draft state, so you can change
anything that was incorrect.
.. _Cancelling invoices:
Cancelling invoices
===================
Most `Invoices <model-account.invoice>` can be cancelled up to the point they
are paid.
Once they are paid you need to credit them instead.
You do this by `creating a credit note <Crediting customers and suppliers>`
for them.
.. note::
Legislation may not allow you to cancel a posted customer invoice.
If this is the case, then you should instead create a credit note for it.
You can allow posted invoices to be credited by changing the setting in your
`Company <company:model-company.company>`.
Cancelling an invoice removes its effect on your accounts by either removing
its `Account Move <account:model-account.move>`, or negating it with a
cancelling move.
.. _Crediting customers and suppliers:
Crediting customers and suppliers
=================================
In Tryton you credit customers and suppliers by creating *Credit Notes*.
These are just `Invoices <model-account.invoice>` with negative totals.
You can create a credit note manually or create one based on an existing
invoice.
To credit existing invoices you must first select the invoices that need to
be credited.
Next you run the `Credit <wizard-account.invoice.credit>` invoice wizard from
the :guilabel:`Launch action` menu.