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KDV Tevkifatı (Türkiye) — VAT withholding for supplier & customer invoices

mp25892d20260917204938

New

Turkish VAT withholding (KDV tevkifatı) on supplier and customer invoices: GİB codes 601–627 with published rates, rate-based accounting account mapping, validation guard, audit events, İşNet e-Fatura integration and MCP tools for the Dolibarr 24 AI module. No core modification. Free, GPLv3.

  • Author buraksenturk.net
  • Module version 2.1.1
  • Release date 09/17/2026
  • Access to download and updates Lifetime access

More info...

KDV Tevkifatı

Turkish VAT withholding for Dolibarr invoices

Community module Free GPL-3.0-or-later No core modification

Key Functions / Temel İşlevler

English English

  • "Withholding" tab on supplier and customer invoices
  • Pick the GİB code (601–627); the published rate is filled automatically and can be overridden when allowed by setup
  • Calculation table: taxable base, VAT by rate, VAT withheld, payable amount
  • Apply / recalculate / remove with one click on draft invoices
  • Withholding booked as a single marked negative line (VAT 0%) mapped by rate to the configured accounting account (e.g. 360.50.xxx on purchases, 391.10.xxx on sales)
  • Invoice totals, payments, purchase/sales journals and PDFs are right out of the box

Turkish Türkçe

  • Alış ve satış faturalarında "Tevkifat" sekmesi
  • GİB kodunu seçin (601–627); tebliğ oranı otomatik gelir, ayar izin veriyorsa değiştirilebilir
  • Hesaplama tablosu: matrah, KDV kırılımı, tevkif edilen KDV, ödenecek tutar
  • Taslak faturada tek tıkla uygula / yeniden hesapla / kaldır
  • Tevkifat, orana göre eşlenen muhasebe hesabına giden tek bir işaretli negatif satır (KDV %0) olarak işlenir (ör. alışta 360.50.xxx, satışta 391.10.xxx)
  • Fatura toplamı, ödeme, alış/satış yevmiyeleri ve PDF kendiliğinden doğru

Main Features / Ana Özellikler

English English

  • Validation guard: an invoice cannot be validated when a code is set without a withholding line or when the lines changed after the calculation
  • Rate → account mapping, default account, line label template, line position and override permission — all in setup; the setup page checks that every account exists in the active chart
  • Credit notes supported (negative VAT)
  • Audit: every apply/remove on the invoice's Events tab, setup changes in the security audit log
  • Works with the İşNet e-Fatura module: withholding goes into the UBL as WitholdingTaxes, TotalPayableAmount is correct
  • 4 MCP tools for the Dolibarr 24 AI module: codes, info, apply, remove

Turkish Türkçe

  • Onay koruması: kod seçili ama tevkifat satırı yoksa ya da hesaplamadan sonra satırlar değiştiyse fatura onaylanamaz
  • Oran → hesap eşlemesi, varsayılan hesap, satır açıklaması şablonu, satır yeri ve oran ezme izni ayarlarda; ayar sayfası her hesabın aktif hesap planında olduğunu denetler
  • Alacak dekontu desteği (negatif KDV)
  • Denetim: her uygulama/kaldırma faturanın Olaylar sekmesinde, ayar değişiklikleri güvenlik denetim günlüğünde
  • İşNet e-Fatura modülü ile birlikte: tevkifat UBL'ye WitholdingTaxes olarak gider, TotalPayableAmount doğru
  • Dolibarr 24 AI modülü için 4 MCP aracı: kodlar, bilgi, uygula, kaldır

How it works / Nasıl Çalışır

English English

  1. Install and enable the module (extra fields and the validation trigger are created automatically)
  2. Check the rate → account mapping in the setup page against your chart of accounts
  3. Open a draft invoice → Withholding tab → choose the code → Apply withholding → validate

Turkish Türkçe

  1. Modülü kurun ve aktif edin (ek alanlar ve onay tetikleyicisi otomatik oluşur)
  2. Ayar sayfasında oran → hesap eşlemesini hesap planınıza göre kontrol edin
  3. Taslak fatura → Tevkifat sekmesi → kodu seçin → Tevkifat uygula → onaylayın

Requirements / Gereksinimler: Dolibarr 20.0+ (tested on 24.0), PHP 8.1+, Accounting module with a chart of accounts / Muhasebe modülü ve hesap planı

Languages / Diller: English Turkish

Documentation / Dokümantasyon

License & Author / Lisans ve Yazar

GPL-3.0-or-later with an attribution-preservation term under GPLv3 §7(b): the author attribution must be kept in derived works. Free for personal and commercial use.
(GPL-3.0-or-later; GPLv3 7(b) kapsamında yazar atfının korunması şartıyla. Kişisel ve ticari kullanım ücretsizdir.)

Author / Yazar: M. Burak Şentürk
buraksenturk.net | github.com/mbrksntrk



If you think this module is a fork of another one (published after the first one) or violates some terms or conditions of use (for users or vendors), you can make a report at dolistore@dolibarr.org