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

## quittio/core \#

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

- [`CountryDefaultVat`](https://quittio.dev/docs/api/Quittio/Core/Tax/CountryDefaultVat)Default VAT of lines without VAT treatment, for InvoiceBuilder::useDefaultVat():
- [`CustomTaxPreset`](https://quittio.dev/docs/api/Quittio/Core/Tax/CustomTaxPreset)Ad-hoc tax preset, e.g. for an exemption with a specific legal reference.
- [`DatedTaxPreset`](https://quittio.dev/docs/api/Quittio/Core/Tax/DatedTaxPreset) interfaceA preset whose rate depends on the date of the supply, e.g. a standard rate that was lowered for half a year. The builder resolves it with the supply date of each line (SupplyDate); rate() returns the rate of today.
- [`StatesInvoiceNote`](https://quittio.dev/docs/api/Quittio/Core/Tax/StatesInvoiceNote) interfaceA preset that requires a note on the invoice, e.g. a statement the law prescribes for the special scheme of the preset. The builder adds the note once (BT-22, subject REG) when a line uses the preset, unless the invoice has a note with the same text already.
- [`SupplyDate`](https://quittio.dev/docs/api/Quittio/Core/Tax/SupplyDate)The date that decides the VAT rate of a line: the end of the line period (BT-135), its start (BT-134), the VAT point date (BT-7), the actual delivery date (BT-72), the end of the invoicing period (BT-74) and finally the issue date (BT-2), in this order.
- [`TaxPreset`](https://quittio.dev/docs/api/Quittio/Core/Tax/TaxPreset) interfaceA named VAT treatment provided by a country pack, e.g. "standard rate 19 %" or "small business exemption". Presets set category, rate, VATEX code and legal note text.
- [`TaxPresetCollection`](https://quittio.dev/docs/api/Quittio/Core/Tax/TaxPresetCollection)

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