---
title: "Quittio\\Core\\Corrections – API-Referenz"
description: "The public classes in Quittio\\Core\\Corrections."
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---

> Index of every page on this site: [llms.txt](https://quittio.dev/llms.txt)

[API reference](https://quittio.dev/docs/api)

# Quittio\\Core\\Corrections

## quittio/core \#

### [Quittio\\Core\\Corrections](https://quittio.dev/docs/api/Quittio/Core/Corrections)

- [`Cancellation`](https://quittio.dev/docs/api/Quittio/Core/Corrections/Cancellation)Full cancellation of an issued invoice: a new invoice with its own number that reverses the original and refers to it (BG-3).
- [`CancellationHistory`](https://quittio.dev/docs/api/Quittio/Core/Corrections/CancellationHistory)What the earlier partial cancellations of an invoice cancelled per VAT group (category and rate), so that the VAT of the next partial cancellation is rounded cumulatively.
- [`Correction`](https://quittio.dev/docs/api/Quittio/Core/Corrections/Correction)Corrected invoice (type code 384) that replaces an issued invoice: a copy of the original with its own number, the reference to the original (BG-3) and the note "Diese Rechnung berichtigt und ersetzt die Rechnung … vom …" (BT-22), so that it states by a specific and unambiguous reference that it corrects the original (section 31 (5) UStDV, section 15.2a (7) UStAE). Change what was wrong on the returned builder.
- [`PriceReduction`](https://quittio.dev/docs/api/Quittio/Core/Corrections/PriceReduction)Document on a reduction of the consideration of an issued invoice (section 17 UStG), e.g. a cash discount taken, a reduction because of a complaint about defects or a bonus: a credit note (type code 381, positive amounts) with one line per VAT group of the original, the reference to the original (BG-3) and a note that names the reduction of the net amount and of the VAT per rate (BT-22), titled "Entgeltminderung" in Germany.
- [`PriceReductionReason`](https://quittio.dev/docs/api/Quittio/Core/Corrections/PriceReductionReason) enumWhy the consideration of an invoice was reduced (PriceReduction); the note names it.

```json
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```