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

## quittio/core \#

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

- [`KositArtifacts`](https://quittio.dev/docs/api/Quittio/Core/Validation/Drivers/KositArtifacts)Downloads the KoSIT validator and the XRechnung validator configuration (level L5) and compiles the Peppol BIS Billing 3.0 Schematron to XSLT with the Saxon bundled in the validator (requires Java).
- [`KositReportParser`](https://quittio.dev/docs/api/Quittio/Core/Validation/Drivers/KositReportParser)Converts a KoSIT validator report (VARL) into validation messages.
- [`KositValidator`](https://quittio.dev/docs/api/Quittio/Core/Validation/Drivers/KositValidator)Official Schematron validation (level L5) with the KoSIT validator.
- [`PhpRulesDriver`](https://quittio.dev/docs/api/Quittio/Core/Validation/Drivers/PhpRulesDriver)Built-in PHP rules: levels L1 (structure), L2 (profile), L3 (business rules) and L7 (plausibility).
- [`VeraPdfValidator`](https://quittio.dev/docs/api/Quittio/Core/Validation/Drivers/VeraPdfValidator)PDF/A conformance check (level L6) with veraPDF.
- [`XsdValidator`](https://quittio.dev/docs/api/Quittio/Core/Validation/Drivers/XsdValidator)XML schema validation (level L4) with the bundled CII D16B and UBL 2.1 schemas. XML of another syntax read by the reader of a country pack (e.g. ebInterface) is not checked here: the reader checks its structure.

```json
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```