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How Can Businesses Prepare Their Accounts Receivable Process for Mandatory E-Invoicing?

Friso van de Beeten ·
Paper invoice beside a laptop showing a digital document on a corporate desk, with an approval stamp and USB drive connecting both formats.

Businesses can prepare their accounts receivable process for mandatory e-invoicing by updating their invoicing systems to support structured digital formats, aligning their AR workflows with new submission and validation requirements, and ensuring their software integrates with the relevant government or tax authority platforms. The shift is not just a technical upgrade. It changes how invoices are created, sent, tracked, and reconciled. This article walks through the key questions businesses are asking as they get ready for the transition.

Which countries are making e-invoicing mandatory and when?

Mandatory e-invoicing is rolling out across Europe and beyond, with different countries setting their own timelines and technical standards. In 2026, several major economies are in active implementation phases, making it urgent for businesses trading internationally to understand which rules apply to them and when.

In Germany, the B2B e-invoicing mandate came into force in January 2025, requiring businesses to be able to receive structured e-invoices. Full sending obligations are being phased in through 2027 and 2028 depending on company size. France has been rolling out its mandate in stages, with large enterprises required to comply first and smaller businesses following. Italy already has one of the most mature e-invoicing systems in the world, with its Sistema di Interscambio platform having been mandatory for domestic B2B transactions since 2019. Belgium, Poland, Romania, and Spain are all at various stages of legislation or pilot programmes.

Outside Europe, countries across Latin America, Asia, and the Middle East have had mandatory e-invoicing in place for years. If your business operates across borders, it is worth mapping out which jurisdictions you invoice into and checking the local requirements for each one rather than assuming a single standard applies everywhere.

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What does mandatory e-invoicing actually require from businesses?

Mandatory e-invoicing requires businesses to issue invoices in a structured, machine-readable digital format rather than a PDF or paper document. This typically means using a specific data standard such as UBL, ZUGFeRD, or Factur-X, and in many cases, routing invoices through a government-approved platform or network before they reach the buyer.

The practical requirements vary by country, but most mandates share a few common elements. Businesses need to:

  • Generate invoices in the required structured format, not just a scanned PDF
  • Submit invoices through an approved channel, such as a national tax platform or a certified access point on a network like Peppol
  • Ensure invoices contain all mandatory data fields, which often go beyond what a standard invoice currently includes
  • Retain e-invoices in a compliant way for the required archiving period
  • Be able to receive structured e-invoices from suppliers, not just send them

The key thing to understand is that a PDF sent by email does not qualify as an e-invoice under most mandates, even if it looks identical to a structured invoice. The format and the transmission method both matter.

How does e-invoicing affect the accounts receivable workflow?

Mandatory e-invoicing changes the accounts receivable workflow by introducing new steps between invoice creation and payment. Instead of generating an invoice in your accounting system and sending it directly to a customer, the invoice must first pass through a validation or transmission process before it is legally recognised.

This affects AR teams in several practical ways. First, invoice data needs to be more complete and accurate upfront, because structured formats are validated against mandatory fields before they can be transmitted. Errors that might previously have been caught after the fact now block the invoice from being sent at all. Second, the timing of when an invoice is legally issued may shift, since some platforms timestamp the invoice at the point of network submission rather than when you click send in your system. Third, payment tracking and reconciliation need to account for the new transmission step, which adds a layer to the process that teams need visibility into.

On the positive side, e-invoicing creates a cleaner, more auditable paper trail. Because invoices pass through a structured system, there is less ambiguity about whether a customer received the invoice and when. This can actually support faster dispute resolution and reduce the number of payment delays caused by customers claiming they never received an invoice.

What systems and integrations do businesses need in place?

To comply with mandatory e-invoicing, businesses need an invoicing or accounting system that can generate structured invoice formats, a connection to the required transmission network or government platform, and ideally an AR system that can track invoice status through the full lifecycle from creation to payment.

The specific systems depend on where you operate. For businesses in countries using the Peppol network, you need a certified Peppol access point provider. For countries with national platforms, such as Germany’s ZRE or Italy’s SDI, you need either direct integration or a service provider that handles the connection on your behalf.

On the accounting and ERP side, most major platforms are adding e-invoicing capabilities, but the level of built-in support varies. Businesses running Exact, AFAS, SAP, Twinfield, or similar systems should check what their current version supports and whether additional configuration or a third-party connector is needed. The integration between your invoicing system and your AR process is equally important: if invoice status updates do not flow back into your receivables workflow automatically, your team will end up manually reconciling two systems, which defeats much of the efficiency gain.

How can AR automation software speed up e-invoicing compliance?

AR automation software speeds up e-invoicing compliance by connecting your invoicing, tracking, and follow-up processes into a single workflow, so that structured invoice data flows through automatically rather than requiring manual handling at each step. When your AR system integrates with your accounting or ERP platform, invoice status updates trigger the right actions without your team needing to chase them manually.

Beyond the compliance mechanics, automation helps AR teams maintain their payment follow-up rhythm even as new e-invoicing steps are introduced. When an invoice is transmitted and validated, automated reminders can be scheduled from that point forward, ensuring that payment chasing starts at the right time and does not slip because someone forgot to check whether the invoice was actually delivered. This is especially valuable during the transition period when teams are still getting used to the new process.

Automation also reduces the risk of errors in the invoice data itself. When customer and invoice details are pulled directly from your accounting system rather than re-entered manually, the structured fields required for e-invoicing compliance are more likely to be complete and accurate from the start.

What are the most common mistakes businesses make when switching to e-invoicing?

The most common mistakes businesses make when switching to e-invoicing are treating it as a purely technical IT project, underestimating how much their AR processes need to adapt, and leaving the transition too late to test and fix problems before the mandate kicks in.

Here are the mistakes that come up most often:

  • Assuming a PDF invoice counts as an e-invoice. It does not. Structured format and compliant transmission are both required.
  • Ignoring the receiving side. Most mandates require businesses to accept structured e-invoices from suppliers, not just send them. Many businesses focus only on outgoing invoices and overlook this.
  • Not updating customer master data. E-invoicing often requires additional customer identifiers such as VAT numbers, Peppol IDs, or platform registration details. If this data is incomplete, invoices will fail validation.
  • Leaving AR workflows unchanged. If your payment follow-up process is still built around PDF invoices and manual tracking, it will not align with the new transmission-based workflow.
  • Starting too close to the deadline. Integration testing, staff training, and fixing data gaps all take time. Businesses that start preparing only a few weeks before the mandate applies tend to face avoidable disruptions.

The transition goes more smoothly when finance and operations teams are involved alongside IT from the beginning, and when there is a clear owner responsible for mapping out what needs to change across systems, data, and processes.

How MaxCredible helps with e-invoicing and accounts receivable

Getting your invoices out in the right format is only half the job. Making sure they get paid on time is where the real work happens, and that is where we come in. MaxCredible connects directly with over 800 accounting and ERP systems, including Exact, AFAS, Twinfield, and SAP, so your invoice data flows straight into your AR workflow without manual re-entry.

Here is what we help you do:

  • Automatically trigger payment reminders as soon as an invoice is issued and overdue, based on real-time data from your accounting system
  • Send follow-ups via email, WhatsApp, or SMS so customers receive reminders through the channel that works best for them
  • Get a clear overview of all outstanding invoices in one place, without juggling spreadsheets or chasing exports
  • Save your team hours of repetitive admin every week so they can focus on the work that actually needs human attention
  • Monitor customer creditworthiness through our Dun and Bradstreet integration, so you can spot payment risks early

As e-invoicing mandates change how invoices are created and transmitted, having a solid AR process behind them becomes even more important. We make sure that once your invoice is out, the follow-up is handled automatically and consistently. Get in touch with us to see how MaxCredible fits into your e-invoicing setup.

Frequently Asked Questions

How do I know if my current invoicing software is already e-invoicing compliant?

Check whether your software can export invoices in a structured, machine-readable format such as UBL, ZUGFeRD, or Factur-X — not just as a PDF. You should also verify whether it supports direct integration with the relevant transmission network or government platform for your country, such as Peppol or Italy’s SDI. If your vendor’s documentation does not clearly confirm this, contact their support team and ask specifically about compliance with the mandate in your jurisdiction, including which formats and transmission methods are supported in your current version.

What happens if we send a non-compliant invoice after a mandate comes into force?

In most jurisdictions, a non-compliant invoice is not legally recognised, which means it may not trigger a valid payment obligation for your customer and could expose your business to penalties from the tax authority. Some countries impose fines per non-compliant invoice, while others take a phased enforcement approach in the early stages of a mandate. The safest position is to treat compliance as a hard deadline rather than a guideline, and to test your setup well before the mandate applies to your business.

Do e-invoicing rules apply to credit notes and other invoice-related documents, or just invoices?

In most mandates, the structured format and transmission requirements extend beyond standard invoices to include credit notes, debit notes, and corrective invoices as well. This is an easy detail to overlook when planning your compliance setup, since teams often focus on the outgoing invoice flow and forget that credit notes need to go through the same process. Check the specific rules for your country to confirm which document types are in scope, and make sure your system handles all of them — not just standard sales invoices.

How should we handle customers who are not yet set up to receive structured e-invoices?

This depends on the mandate in your country and the type of transaction. In some jurisdictions, there are transitional provisions that allow alternative formats for certain customer types or during a defined grace period. In others, both parties are required to be compliant from the same date. Practically speaking, it is worth auditing your customer base early to identify who may not yet be registered on the relevant network or platform, and following up with those customers directly so their readiness does not become a blocker for your own compliance.

If we operate across multiple countries, do we need a separate e-invoicing setup for each one?

Often, yes — because different countries use different technical standards, data requirements, and transmission networks. A Peppol-based setup used in Germany or Belgium will not automatically satisfy the requirements of Italy’s SDI platform or France’s national system. However, some service providers and ERP integrations offer multi-country e-invoicing support through a single connector, which can significantly reduce the complexity of managing multiple setups. If you invoice into several jurisdictions, it is worth mapping each country’s requirements separately and then identifying whether your current or planned provider can cover all of them.

How long does it typically take to get fully set up for e-invoicing compliance?

For most businesses, a realistic timeline is two to four months from start to finish, accounting for system configuration, data preparation, integration testing, and staff training. Businesses with complex ERP setups, large customer bases, or operations in multiple countries should allow more time. The biggest delays typically come from incomplete customer master data — such as missing VAT numbers or Peppol IDs — and from integration issues between the invoicing system and the transmission network. Starting early gives you room to find and fix these problems before they become urgent.

Will e-invoicing change how we handle invoice disputes or payment queries from customers?

E-invoicing can actually make dispute resolution faster and more straightforward, because the transmission record provides a clear, timestamped confirmation that an invoice was issued and received. This removes one of the most common causes of payment delays — customers claiming they never received an invoice. However, your AR team will need to know how to access and reference transmission records when handling queries, which may require a small adjustment to your current dispute management process. Building this into your team training from the start is a practical way to turn the compliance requirement into a genuine process improvement.

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This content was generated with the help of AI and it may contain mistakes