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Tax-Proof Coupons for WooCommerce: Put an end to discount fluctuations in the EU store

Clever after-tax deduction of fixed gross vouchers in EU stores - without any compliance risk.

With Tax-Proof Coupons for WooCommerce, you always deduct fixed vouchers (e.g. €100) exactly after tax - EU-wide and Germanized-compatible.

This article was last updated on July 29, 2025.

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Written by Saskia Teichmann
on July 29, 2025
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Tax-Proof Coupons for WooCommerce

As WordPress & WooCommerce specialist for SMEs & industry I experience the same problem again and again: EU stores list their item prices net in the backend - in the frontend, however, WooCommerce converts fixed vouchers depending on the VAT rate. This means:

  • 100 € voucher → Germany deducts € 119 (19 % VAT)
  • Austria deducts 120 € (20 %)
  • Hungary deducts € 127 (27 %)

This is incomprehensible for retailers and customers alike - who advertises a "€100 discount" when the savings vary depending on the country of delivery?

Why standard coupons do not fit here

  1. Net price maintenance is the standard in the EU for correct B2B prices and accounting.
  2. WooCommerce logicFor fixed shopping cart vouchers, the system first deducts the net amount and then adds the tax to the discount amount.
  3. ConsequenceThe promised gross discount varies - and nobody can say in advance how high the savings will really be.

Your solution: Tax-Proof Coupons for WooCommerce

With Version 1.0.2 - now also compatible with Germanized for WooCommerce - In just a few steps, you can ensure that your gross voucher value always exact is deducted:

  1. Download ZIP from Releases
    Get the latest version 1.0.2 of:
    https://github.com/s-a-s-k-i-a/tax-proof-coupons/releases
  2. Install plugin
    In your WordPress backend, go to Plugins → Upload pluginselect the ZIP, click on Install and Activate.
  3. Create voucher
    Under WooCommerce → Vouchers create or edit a Fixed shopping cart voucher. Activate the new option "Apply coupon after tax" (German: "Apply voucher after taxes").
  4. Testing
    Add a product to the shopping cart, change the country of delivery - and you will see: always the gross amount you have set (e.g. €100) as a discount, regardless of whether it is 19 %, 20 % or 27 %.

Your advantages at a glance

  • Real 100 € reductionCommunication without ifs and buts.
  • Legal certaintyGross prices remain visible in the EU in accordance with the law.
  • SimplicityNo complex filter hacks, no code snippets.
  • Germanized compatibility: Works seamlessly if you use Germanized for WooCommerce.
  • Reliable reportingUniform discounts, clear sales figures.

Conclusion: Whether Germany, Austria, Hungary or worldwide shipping - with Tax-Proof Coupons for WooCommerce Remove the unpopular discount fluctuations from your store and create clarity for your customers.

Download & Details:
https://github.com/s-a-s-k-i-a/tax-proof-coupons/releases

- Saskia Teichmann
WordPress & WooCommerce specialist for SMEs & industry

<span class="castledown-font">Saskia Teichmann</span>

Saskia Teichmann

A WordPress full stack web developer from Germany who likes to create beautiful websites and sophisticated web projects.

In her free time, Saskia enjoys hiking with her family in the Tramuntana mountains on Mallorca, walking in the Herrenhausen Gardens in Hanover or swimming in the sea.

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