Skip to main content
Certyneo

VAT 2026: Calculation, Declaration and New Obligations for Businesses

The VAT reform of 2026 transforms calculation and declaration rules for millions of French businesses. Master the new obligations before they apply to you.

Certyneo Editorial Team14 min read
a close up of a typewriter with a tax return sign on it

VAT remains the most collected tax in France, generating approximately 200 billion euros in annual revenues. In 2026, several major changes modify simultaneously the calculation rules, declarative obligations, and control procedures. Between the expansion of mandatory electronic invoicing, the rollout of e-reporting, and rate adjustments from the finance law, accounting and finance departments must prepare now. This article covers everything you need to know: taxable base, applicable rates, declaration calendar, and non-compliance risks.

Fundamentals of VAT Calculation in 2026

The mechanism of VAT rests on an unchanged principle: the business collects the tax on behalf of the State from its customers, then deducts the VAT it has itself paid on its purchases. The balance is remitted to the Treasury — or reimbursed if deductible VAT exceeds collected VAT.

The taxable base: what enters the calculation base

The VAT base is the net price of the transaction, plus all ancillary charges invoiced: shipping fees, packaging, insurance, deferred payment interest, and subsidies directly linked to the price. Since European Directive 2006/112/CE transposed into French law, early payment discounts granted at the time of invoicing may be deducted from the base, provided they are actually offered.

Caution: late payment penalties and damages are not subject to VAT insofar as they do not remunerate a supply of goods or a service.

VAT rates applicable in 2026

France maintains in 2026 its four-tier rate structure:

  • Standard rate of 20%: applies to the vast majority of goods and services, including digital services and SaaS services.
  • Intermediate rate of 10%: on-site dining, renovation work, passenger transportation, hotel accommodation.
  • Reduced rate of 5.5%: basic food products, books, gas and electricity subscriptions, equipment and services for persons with disabilities, energy renovation work.
  • Specific rate of 2.1%: medicines reimbursable by Social Security, periodical press registered with the Joint Commission.

The 2026 finance law did not modify nominal rates, but clarified the application conditions of the 5.5% reduced rate for certain thermal renovation work, requiring the supply of a certificate of conformity with energy performance criteria defined by decree n° 2025-421.

VAT on intra-community transactions

Regarding exchanges within the European Union, the intra-community acquisitions regime remains based on the destination principle: VAT is due in the country of arrival of the goods. For B2B services, the general rule sets the place of supply where the service recipient is established, in accordance with article 259 of the General Tax Code (CGI).

Since July 1, 2021, the OSS (One Stop Shop) allows businesses to declare and pay VAT due in all Member States through a single interface. In 2026, this mechanism is fully operational and its use is growing significantly, particularly for e-commerce platforms.

New VAT Declaration Obligations in 2026

The year 2026 marks a turning point in declaration procedures, due to two convergent reforms: the expansion of mandatory electronic invoicing and the rollout of e-reporting.

Since September 1, 2026, all businesses subject to VAT established in France — including micro-businesses — are subject to the obligation to receive electronic invoices. Mandatory issuance applies progressively based on size: large enterprises and mid-market companies switched in September 2026; SMEs and micro-enterprises will follow according to the schedule detailed on the electronic invoicing calendar 2026-2027 page.

The direct consequence for VAT declaration is substantial: the Directorate General of Public Finances (DGFiP) retrieves transaction data through partner digitalization platforms (PDP) and the public invoicing portal (PPF). Ultimately, the administration will have a near real-time view of VAT flows, enabling it to pre-fill VAT declarations — following the model already in place for income tax.

To understand the precise role of these platforms in the declaration chain, consult our guide on approved PDP platforms.

E-reporting: a new data transmission obligation

E-reporting complements electronic invoicing by covering operations that do not fall within its direct scope: transactions with individuals (B2C), exchanges with foreign businesses not established in France, and operations outside the scope of French VAT.

Concretely, businesses must transmit aggregated data concerning these operations to the tax authorities according to a frequency aligned with their VAT regime:

  • Monthly regime: transmission within 10 days following the close of the period.
  • Quarterly regime: transmission within 10 days following the end of the quarter.

Non-compliance with these obligations exposes businesses to penalties reaching 15 euros per missing invoice, capped at 15,000 euros per year per declarant. For a comprehensive presentation of the scheme, our article on e-reporting and transmission of transaction data details the expected file formats and deadlines.

Declaration regimes and their deadlines in 2026

The choice of declaration regime depends on the annual net revenue figure:

Simplified Real Regime (RSI): available to businesses with net revenue below 840,000 € for commercial activities and 254,000 € for service provision. Two semi-annual installments (55% in July, 40% in December) and an annual CA12 declaration due within 3 months following the close of the fiscal year.

Normal Real Regime (RRN): mandatory beyond RSI thresholds or by election. Monthly CA3 declaration, due on the 19th of the following month for businesses whose annual VAT liability exceeds 4,000 €.

VAT exemption for small business: maintained for micro-businesses with net revenue below 37,500 € for services and 85,000 € for commerce. These thresholds were raised by the 2025 finance law and remain applicable in 2026.

Impact of the Reform on Accounting and Internal Processes

Adaptation of information systems

The convergence between electronic invoicing, e-reporting, and VAT pre-filling requires businesses to align their management tools. An ERP or invoicing software that does not produce files in Factur-X or UBL format — the structured formats recognized by the administration — is now a blocking issue.

The Factur-X format deserves particular attention: it is an enriched PDF with an embedded XML file, readable by humans and processable by machines. To verify the conformity of your invoices, our free Factur-X validator allows you to instantly check file structure before issuance.

Management of mandatory invoice statements

In 2026, mandatory statements on invoices subject to French VAT have been expanded. Beyond standard statements (SIREN number, intra-community VAT number, due date, applicable rate, net and gross amount by rate), electronic invoices must now include:

  • The SIREN number of the recipient (mandatory for B2B).
  • The delivery address if different from the recipient's address.
  • The transaction category (supply of goods, service provision, mixed).
  • The purchase order number if mentioned in the contract.

The absence of any of these statements can result in the invoice being rejected by the recipient's PDP, delaying payment and the right to deduct VAT.

VAT deductibility: rules and restrictions

The right to deduct VAT remains subject to three cumulative conditions: holding a regular invoice, the VAT being due with the supplier, and the good or service being used for the needs of a taxable activity. The exclusions from the right to deduction codified in article 206 of annex II of the CGI concern notably:

  • Passenger vehicles (except in rental or transportation activities).
  • Housing expenses for managers and employees.
  • Business gifts with a unit value exceeding 73 € including VAT per year and per recipient (2026 threshold).

In the event of a tax audit, the DGFiP has had since 2026 facilitated access to data transmitted via PDPs, reinforcing the need for perfect consistency between issued invoices, received invoices, and declared amounts.

Tax Audit and Redress Risks in 2026

Enhanced tax audits through data

The generalization of electronic invoicing equips the administration with an unprecedented audit tool. By cross-referencing data submitted by invoice issuers and recipients, the DGFiP can automatically identify inconsistencies: invoices recorded as expenses without VAT collected on the supplier side, multiple deductions of the same invoice, rates applied incompatible with the nature of the transaction.

Tax audits concerning VAT already represent approximately 40% of adjustments from accounting verifications. In 2026, accountants anticipate intensification of algorithmic targeted audits, similar to those practiced in the Netherlands or Spain for several years.

Principal redress risks

The most frequent reasons for VAT adjustments are:

  1. Incorrect rate: application of the reduced rate to an operation subject to the standard rate, particularly for real estate work or takeout dining.
  2. Misidentified trigger event: confusion between delivery date and invoice date for goods, or between collection and invoice date for services subject to VAT on receipts.
  3. Omission of VAT on benefits in kind or transactions between companies of the same group.
  4. Improper deductions on invoices not complying with mandatory statements or from suppliers in irregular status.

For businesses engaged in complex transactions (intra-community, reverse charge, special regimes), a prior compliance audit often proves worthwhile given the penalties incurred: 40% increase for deliberate breach, 80% for fraudulent conduct, plus late payment interest of 0.20% per month.

The connection between electronic signature and tax compliance is direct: an invoice electronically signed according to eIDAS standards guarantees the authenticity of origin and integrity of content, two of the three conditions imposed by the VAT directive for deductibility. For more information, our comprehensive guide to electronic invoicing 2026-2027 presents the full regulatory ecosystem.

French VAT is inscribed in a multi-level legal framework, European and national, whose mastery conditions the validity of deductions and robustness before audits.

VAT Directive 2006/112/CE: founding text harmonizing VAT rules within the European Union. It sets principles of base, minimum rates (5% for reduced rate, 15% for standard rate), deductibility, and exigibility. Any national rule must comply with it.

General Tax Code (CGI): articles 256 to 293 organize French VAT rules. Article 289 defines mandatory invoice statements. Articles 271 to 273 frame the right to deduction. Article 283 sets reverse charge rules.

Ordinance n° 2021-1190 of September 15, 2021: regarding the generalization of electronic invoicing in B2B transactions. Modified by the 2024 finance law, it sets the deployment calendar by phase and e-reporting obligations.

Decree n° 2022-1299 of October 7, 2022: specifies the technical formats of electronic invoices (Factur-X, UBL, CII) and minimum data required for e-reporting.

eIDAS Regulation n° 910/2014 of the European Parliament and Council: establishes the legal framework for qualified electronic signatures, whose probative value is equivalent to a handwritten signature throughout the EU (article 25). A qualified electronic signature affixed to an invoice satisfies the authenticity of origin requirement imposed by the VAT directive, provided it is issued by a qualified trust service provider (QTSP) referenced on the national trust list.

GDPR n° 2016/679: the transmission of invoicing data between businesses and to the tax authorities involves the processing of personal data (names, contact details). The data protection officer (DPO) must be involved in electronic invoicing compliance projects.

NIS2 Directive (2022/2555/EU): transposed into French law by law n° 2023-703, it imposes enhanced security requirements on essential service operators and digital service providers, including PDPs. Businesses that externalize their invoicing flow via a PDP must contractually ensure that it complies with NIS2 obligations.

ETSI Standards EN 319 132 and EN 319 122: technically frame advanced (XAdES) and qualified electronic signatures used to timestamp and secure electronic invoices. Compliance with these standards conditions the admissibility of evidence in the event of dispute or tax audit.

Use Cases: How Businesses Adapt to VAT 2026 Rules

An IT services SME facing e-reporting

An SME of about sixty employees, specialized in IT operations management and application development, realizes approximately 30% of its revenue from clients established outside France (European enterprises and individual end customers). These flows — not covered by domestic B2B electronic invoicing — fall within the scope of e-reporting starting September 1, 2026.

After a three-week internal audit, the accounting department identifies that its ERP generates CSV exports non-compliant with DGFiP technical specifications. Updating the PDP connector and training two staff members represents an investment of approximately 8,000 €. In return, the automatic reconciliation of declared data and receipts reduces the time to prepare the monthly VAT declaration from 6 hours to less than 1 hour, representing a saving estimated at 3,500 € per year in accounting time.

An accounting firm managing multi-regime clients

An accounting firm of 25 employees supports a mixed clientele: retailers under simplified real regime, self-employed professionals with VAT exemption, and industrial companies under normal real regime. In 2026, the firm must simultaneously manage three declaration logics and ensure each client transitions at the right time to mandatory receipt of electronic invoices.

The firm adopts a centralized solution for managing electronic invoicing flows connected to its case management platform. For clients with VAT exemption, it documents the obligation to receive even in the absence of emission obligation — a point often misunderstood. Collective compliance enables negotiation of group pricing with an approved PDP, reducing the unit cost per client by 35% compared to individual subscriptions.

A B2B distributor faced with intra-community VAT reconciliation

A distributor of industrial equipment with 18 million euros in net revenue makes intra-community acquisitions from suppliers in Germany, Italy, and Poland, and intra-community supplies to customers in Belgium and the Netherlands. In 2026, the generalization of electronic reporting in these partner countries creates a risk of double declaration if data transmitted to respective administrations are not consistent.

By deploying a dedicated module for intra-community transactions in its management system, the company automates verification of intra-community VAT numbers via the VIES (VAT Information Exchange System) service of the European Commission, checks compliance of partner VAT numbers, and automatically generates summary statements (DEB/DES replaced by the European Declaration of Trade in Goods). This automation reduces declaration anomalies by nearly 70% over the first six months of operation, according to internal monitoring by the accounting manager.

Frequently Asked Questions

How do you calculate the VAT to remit for a given period?

VAT to remit equals collected VAT (net amount of sales multiplied by the applicable rate) minus deductible VAT (VAT shown on eligible professional purchase invoices). If collected VAT is greater, the business remits the balance to the administration. If deductible VAT is greater, it may request reimbursement or carry the credit forward to the next period.

What is the difference between VAT on invoicing and VAT on collections?

VAT on invoicing is due upon invoice issuance, independent of actual payment. This is the common regime for goods supplies. VAT on collections, applicable to services (unless otherwise elected), is due only upon actual receipt of payment. This choice has significant impact on cash flow, especially with long payment delays.

Which businesses are concerned by e-reporting in 2026?

All businesses subject to VAT in France are concerned by e-reporting once they conduct operations not covered by B2B electronic invoicing: sales to individuals, transactions with foreign businesses not established in France, or VAT-exempt operations. Micro-businesses with VAT exemption do not collect VAT but remain subject to certain transmission obligations if they exceed transitional thresholds.

Is the VAT exemption for small business modified in 2026?

No. The VAT exemption thresholds set by the 2025 finance law remain unchanged in 2026: 85,000 € net for sales activities and accommodation supply, 37,500 € net for service provision. Exempt businesses benefit from a tolerance for continuation up to 93,500 € and 41,250 € respectively. They do not collect VAT but are subject to the obligation to receive electronic invoices as of September 2026.

How does electronic signature guarantee VAT deductibility on an invoice?

According to VAT Directive 2006/112/CE, an invoice must guarantee the authenticity of its origin and the integrity of its content to open a right to deduction. A qualified electronic signature under eIDAS Regulation n° 910/2014 meets these two requirements: it certainly identifies the issuer and detects any subsequent modification of the document. In the event of a tax audit, an invoice signed electronically with a qualified certificate constitutes solid evidence that the administration cannot contest.

Conclusion

VAT 2026 is not merely a regulatory update: it is a profound overhaul of calculation, declaration, and control procedures, driven by the convergence between mandatory electronic invoicing and e-reporting. Businesses that anticipate these changes — by adapting their information systems, securing invoice compliance, and training their teams — will transform a regulatory constraint into an operational advantage.

Certyneo supports businesses in this transition: from qualified electronic signature of your invoices to management of document flows compliant with DGFiP requirements. Discover how our solution can simplify your compliance and reduce administrative burden by requesting a personalized demonstration or exploring our pricing adapted to each business size.

Try Certyneo for Free

Send your first signature envelope in less than 5 minutes. 5 free envelopes per month, no credit card required.

Dive Deeper

Our comprehensive guides to master electronic signatures.

Certyneo Community

A question about electronic signatures?

Join the Certyneo community: ask your questions, share your answers and connect with thousands of users and our team.