Electronic Invoicing: How It Really Affects Payment Delays

September 22, 2026

Electronic Invoicing: How It Really Affects Payment Delays

Payment delays have withheld 15 billion euros from French SMEs’ cash flow in 2024. Mandatory electronic invoicing, starting September 1, 2026, for incoming invoices, addresses this issue by enabling invoice traceability.

Summary

  1. Fifteen Billion Euros Missing from Cash Flow
  2. Traceability as a True Leverage and Limit
  3. A New Critical Point to Monitor
  4. Invoice and Payment, the Expected Convergence

Payment delays are a leading cause of cash flow tension among small French companies. The electronic invoicing reform, which will apply to all VAT-liable businesses from September 1, 2026, is often touted as a solution. However, the process isn’t as simple as the “electronic invoice = faster payment” equation suggests.

Fifteen Billion Euros Missing from Cash Flow

The latest report from the Bank of France’s Payment Delays Observatory notes that the average inter-company payment period was 51 days in 2024, excluding micro-enterprises, which is 13.6 days late. Without these delays, SMEs would have had an additional 15 billion euros in cash flow for the year.

Report and calculator on a desk showing cash flow figures for a small company
Les retards de paiement pèsent sur la trésorerie des PME françaises.

The 2025 situation has deteriorated even further. According to Coface’s Payment Survey, 86% of French companies reported experiencing payment delays last year, with 44% experiencing delays of more than one month. Smaller entities face the longest delays, averaging 44 days, and over half of the respondents described the impact on their cash flow as “critical.” The link to company mortality is well-documented, with EY recording more than 68,000 business failures in France in 2025, the highest in over thirty-five years.

Traditional financing instruments are poorly equipped to absorb this shock. Factoring, reverse factoring, and credit insurance provide only “imperfect control of the client account,” admits Sage in an analysis published in March 2026. The firm acknowledges their remedial nature, applicable only after delays have occurred.

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Traceability as a True Leverage and Limit

The reform changes how invoices are tracked. Each document uploaded to a state-approved platform is tagged with time-stamped statuses that are shared among the issuer, the recipient, and the tax administration. The transmission date is no longer merely reported.

Interface showing invoice statuses and timestamps on a platform dashboard
La traçabilité dépend des statuts fournis par chaque plateforme.

Four statuses are mandatory for all approved platforms, according to the DGFiP’s standards: submitted, rejected, refused, and paid. The first indicates the invoice’s deposition on the supplier’s platform, not its reception by the client. The last confirms payment.

The gap lies between the two: statuses that document the actual receipt and availability of the invoice at the client’s end are not part of this mandatory base but are recommended or optional statuses, managed differently by each provider. This level of detail is crucial for establishing a receipt date and neutralizing the “invoice never received” argument. Therefore, the actual degree of traceability depends on the chosen platform, making it a practical selection criterion rather than a given benefit of the reform.

Clients do not inherently pay faster. However, the invoice enters their accounting system sooner, starting the payment countdown without delay. Sage estimates this administrative gain at 5 hours and 40 minutes per week, based on a study conducted with 9,000 European SMEs.

A New Critical Point to Monitor

Before reducing delays, the reform might initially cause them. An improperly addressed invoice can be technically rejected and may never reach its destination, thus delaying the start of the payment cycle. The addressing relies on the public billing portal’s directory, which links each company to its approved platform and electronic billing addresses.

“The responsibility for correct addressing falls on the invoice issuer,” reminds Sage. A supplier without the correct address for its client will find its invoices blocked, with the recipient unaware.

The timeline heightens this risk in the short term. All VAT-liable businesses must be able to receive electronic invoices by September 1, 2026, when large companies and mid-sized enterprises also switch to issuing them. SMEs, small businesses, and micro-enterprises have an additional year. Thus, the first electronic invoices a small business receives will likely come from its larger clients before it is itself required to issue them.

Invoice and Payment, the Expected Convergence

Companies nonetheless anticipate a beneficial effect. Half of them believe that electronic invoicing will reduce payment delays, according to France Num. The next step involves linking the invoice to its payment. During a roundtable hosted by Sage in June 2026, Barbara Sessa, CEO of Mastercard France, described payment as “a real-time financial flow management tool for businesses”. The invoice informs what is owed, the payment confirms what has been received, and linking the two can reveal a partial settlement without waiting for a monthly reminder.

Sage integrates its approved platform with its billing software, from Sage Active to Sage 100 depending on the size of the business. A system that could reduce an average delay that hasn’t shifted in years.

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