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How do I calculate expenses on an invoice after sending three reminders?

KC
2025-06-03

Question

A customer refuses to pay. After 3 reminders (I was allowed to do so sooner according to the term and the small print), I would like to resend his invoice but with an additional 20 EUR in costs. How do I do that?

You should not add this to the invoice itself, but you can simply mention it in your email communication with them. Because the extra 20 euros is not turnover, you will not be taxed on it.

But of course you want to receive it, and you can do so in any way you like. For example, via email communication.

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