Add Greek VAT, DOY and Invoice/Receipt selection to WooCommerce checkout. Simple and lightweight solution for Greek e-commerce.

Theodore Sfakianakis

<p>🇬🇷 <strong>Simple Greek VAT fields for WooCommerce checkout</strong></p>
<p>Add essential Greek tax fields (ΑΦΜ, ΔΟΥ, Business Info) and Invoice/Receipt selection to your WooCommerce checkout. Clean, lightweight, and easy to use.</p>
<h4>Key Features</h4>
<ul>
<li><strong>Invoice/Receipt Selection</strong> – Let customers choose between “Τιμολόγιο” or “Απόδειξη”</li>
<li><strong>VAT Number (ΑΦΜ)</strong> – Required for invoices, numeric only with 9-digit validation</li>
<li><strong>Tax Office (ΔΟΥ)</strong> – Customer’s tax office field</li>
<li><strong>Company Name</strong> – Business name for invoices</li>
<li><strong>Business Activity</strong> – Type of business activity</li>
<li><strong>Real-time Validation</strong> – Instant error messages for invalid VAT format</li>
<li><strong>Smart Field Visibility</strong> – Fields appear/hide based on invoice/receipt selection</li>
<li><strong>Uppercase Conversion</strong> – Auto-convert to CAPITALS (AADE requirement)</li>
<li><strong>Mobile Responsive</strong> – Works perfectly on all devices</li>
</ul>
<h4>WooCommerce Block (Gutenberg) Checkout Support</h4>
<p>Full support for the new WooCommerce Block-based Checkout using the official Additional Checkout Fields API:</p>
<ul>
<li><strong>Block Checkout Compatible</strong> – Works with the Gutenberg-based checkout page</li>
<li><strong>Checkout Type Selection</strong> – Choose between Classic or Block checkout in admin settings</li>
<li><strong>Field Position Control</strong> – Place invoice fields in the Contact Information or Order section</li>
<li><strong>Conditional Visibility</strong> – Invoice fields dynamically show/hide in block checkout just like classic</li>
<li><strong>Native Admin & Email Display</strong> – Fields appear automatically in order details and emails via WooCommerce’s built-in rendering</li>
<li><strong>Server-side Validation</strong> – VAT, DOY, Company, and Activity validated on the server when invoice type is selected</li>
</ul>
<h4>Admin Settings</h4>
<ul>
<li>Enable/Disable invoice selection feature</li>
<li>Checkout type: Classic checkout or Block (Gutenberg) checkout</li>
<li>Field position for classic checkout (10 positions available)</li>
<li>Field position for block checkout (Contact Information or Order section)</li>
<li>Uppercase conversion toggle</li>
<li>Beautiful, modern admin interface with gradient styling</li>
</ul>
<h4>Coming Soon Features</h4>
<p>Future versions will include:</p>
<ul>
<li>🔍 <strong>AADE Integration</strong> – Real-time VAT validation via AADE API with auto-complete</li>
<li>🇪🇺 <strong>VIES Validation</strong> – EU VAT number verification</li>
<li>📄 <strong>PDF Invoice Generation</strong> – Professional invoice PDFs with email delivery</li>
<li>💰 <strong>VAT Exemptions</strong> – Article 39α, VIES-based EU, and non-EU export exemptions</li>
<li>📊 <strong>Invoice Numbering</strong> – Automatic invoice numbering with annual counter</li>
<li>📧 <strong>Email Integration</strong> – Custom email templates and automatic sending</li>
</ul>
<p>Support development to help prioritize these features! <a href="https://www.paypal.com/donate?business=theodore.sfakianakis@gmail.com" rel="nofollow ugc">Donate via PayPal</a></p>
<h4>Fully Translated</h4>
<ul>
<li>Greek (Ελληνικά) – Native language support</li>
<li>English – Full English translation</li>
</ul>
<h4>Privacy & Security</h4>
<ul>
<li>No external API calls in current version</li>
<li>Data stored locally in WooCommerce order meta</li>
<li>GDPR compliant</li>
<li>No third-party tracking</li>
<li>Proper input sanitization and validation</li>
</ul>
<h3>Developer</h3>
<p><strong>Theodore Sfakianakis (irmaiden)</strong></p>
<ul>
<li>GitHub: <a href="https://github.com/TheoSfak" rel="nofollow ugc">https://github.com/TheoSfak</a></li>
<li>Email: theodore.sfakianakis@gmail.com</li>
<li>Donate: <a href="https://www.paypal.com/donate?business=theodore.sfakianakis@gmail.com" rel="nofollow ugc">https://www.paypal.com/donate?business=theodore.sfakianakis@gmail.com</a></li>
</ul>
<h3>Support</h3>
<ul>
<li>Bug Reports: <a href="https://github.com/TheoSfak/greek-vat-invoices-for-woo/issues" rel="nofollow ugc">GitHub Issues</a></li>
<li>Questions: <a href="https://github.com/TheoSfak/greek-vat-invoices-for-woo/discussions" rel="nofollow ugc">GitHub Discussions</a></li>
<li>Email: theodore.sfakianakis@gmail.com</li>
</ul>
<p>Made with ❤️ in Greece 🇬🇷</p>


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