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EDEKA e-invoicing: mandatory fields beyond EN 16931

An invoice can pass validation against the European standard and still be rejected by the buyer. The EDEKA supplier guide of 15 October 2026 shows where the gap sits. The short version is here, the full requirements on the EDEKA page.

Four mandates starting on 1 January 2027

Germany, Poland, Slovakia and Norway change their invoicing rules on 1 January 2027. Spain has stepped out of that date. The calendar, the thresholds and what to do in the fourth quarter.

Spanish e-invoicing mandate: deadlines from 6 October 2026

Orden HAC/1028/2026 regulates the state platform SPFE and started the countdown. This article sets out the timetable, the reporting of invoice and payment statuses and the requirements placed on private exchange platforms.

Germany’s 2026 E-Invoicing Update: What the New BMF Letter Changes

The BMF letter of 15 October 2026 says a business-rule error is still an e-invoice for VAT, writes the Kontrollfunktion into the UStAE, and extends two concessions to June 2030.

Luxembourg Plans Mandatory B2B E-Invoicing from 2028 — via Peppol

Luxembourg has proposed a phased B2B e-invoicing mandate starting in 2028. Bill 8815 would require businesses to receive and issue structured e-invoices through a common Peppol-based delivery network.

Greece Postpones Phase B of B2B E-Invoicing but 1 February 2027 Is the Date to Watch

Greece has moved Phase B of its B2B e-invoicing mandate to 2 November 2026. But the more important deadline comes on 1 February 2027, when direct ERP-to-myDATA transmission will no longer be permitted. Here is what businesses need to prepare for.

XRechnung 4.0: The Preview Is Out, and the Standard Underneath It Has Changed

KoSIT has released a preview of XRechnung 4.0 and EN 16931-1:2026 is ratified. 50+ new business terms, multiple orders per invoice — and parallel operation until March 2029.

How to Implement E-Invoicing Without Replacing Your ERP: A 5-Step Guide

The most expensive misconception about e-invoicing is that it requires new accounting software. Discover the honest 5-step process to get compliant, from cleaning master data to choosing the right converter.

XRechnung, ZUGFeRD, Factur-X, Peppol BIS: Which One Do You Actually Need?

Four names, two questions. What is a format, what is a network, and how to work out in five minutes which combination your customer requires — with a free file check.

GEBA: Germany Finally Has a B2B E-Invoicing Address and It Is Coming to Peppol

The German Electronic Business Address turns one this month and is being registered in the Peppol EAS code list. What GEBA is, how it differs from the Leitweg-ID, and how to build one.