NF525 and cash software: the guide for e-commerce
NF525 requires your cash software to secure consumer payments: tamper-proof, secured, retained, archived data. Compliance is justified by a body certification or an editor attestation. After a legislative round trip in 2025-2026, the editor attestation remains a valid route for online and in-store sellers.
A retailer selling both online and in-store takes payments from consumers at the till. That till, physical or software, falls under a distinct tax obligation: NF525. And if you feel the rule has changed several times, you are right: it was tightened in 2025, then eased in 2026.
NF525 has nothing to do with the e-invoicing reform, even though both touch the same merchant. One secures your till, the other governs how your invoices are transmitted. Here is what NF525 actually requires, what moved, and how a multichannel seller stays in order.
NF525: what it is, and who it concerns
NF525 stems from the anti-VAT-fraud law, in force since 1 January 2018. Every VAT-registered business that records its consumers' payments through a cash software or system must use software that guarantees four properties: tamper-proofing, security, retention and archiving of the payment data.
An online seller is concerned as soon as they take payments from consumers, including through a web till or an online back office, and is not concerned if they sell exclusively to businesses. One nuance applies to pure web: if all your payments are intermediated by a bank, an exemption may apply, to be checked case by case. In practice, the clearly concerned business is the omnichannel retailer that runs a counter till.
What changed, then changed back: the 2025-2026 saga
The rule went through a round trip that explains the confusion. The 2025 Finance Act removed the editor's individual attestation, leaving only certification by an accredited body. The 2026 Finance Act (article 125, in force since February 2026) cancelled that removal and reinstated the editor attestation.
Cash-software obligation: tamper-proofing, security, retention, archiving.
Editor attestation removed: certification by an accredited body required.
Editor attestation reinstated: both routes are valid again.
No mandatory certification deadline left. 1 September 2026 concerns e-invoicing, not NF525.
The result today: both routes are valid again, and there is no mandatory certification deadline left. The 31 August 2026 date you still sometimes read was tied to the now-cancelled removal. Take care not to confuse it with 1 September 2026, which belongs to the e-invoicing reform.
NF525 certification or editor attestation: the two routes
You can justify your cash software's compliance in two equivalent ways. The first is a certificate issued by an accredited body: the NF525 mark, issued by Infocert, or the LNE cash-system certification. The second is an individual attestation from the software editor, matching a model set by the administration.
Certificate from an accredited body: NF525 mark (Infocert) or LNE certification.
Individual declaration by the editor, matching the model set by the administration.
Neither is "superior" in the eyes of the law: they carry the same value. Certification by a body is often highlighted as a commercial signal; the editor attestation, simpler to obtain, puts the editor's responsibility on the software's real compliance.
NF525 or e-invoicing: two obligations not to confuse
These are two distinct regimes, and confusing them is the most common mistake. NF525 secures the software that records your payments. E-invoicing governs how your business-to-business invoices (e-invoicing) and your consumer or international sales data (e-reporting) are transmitted, via an approved platform.
| NF525 (cash software) | E-invoicing | |
|---|---|---|
| Purpose | Secure your payments (tamper-proofing) | Transmit your invoices and sales data |
| Proof | Body certification or editor attestation | Approved platform + accounting software |
| Concerns | Counter sales (consumers) | B2B e-invoicing + B2C/international e-reporting |
The same retailer can fall under both. For the e-invoicing reform and its 2026-2027 deadlines, see the 2026 e-invoicing guide for e-commerce.
Penalties: 7,500 euros per software, then 60 days
For non-compliance, the fine is 7,500 euros per cash software or system concerned (article 1770 duodecies of the tax code). After an audit, you have a 60-day window to bring things into compliance; past that window without action, you remain exposed to the penalty.
myWebPOS: a compliant till and centralized sales
myWebPOS meets the cash-software obligation through an individual attestation from the editor, matching the model set by the administration. The till records your in-store sales securely and passes them into the same system as your online sales.
For an omnichannel seller, that is the point: a single source for the counter and the web, one till closing instead of two reconciliations. The result: a compliant till and your store and web sales in one system. myWebPOS does not exempt you from your reporting obligations. See myWebPOS and its cash control.
How to check your compliance
Four things to check without delay:
- Check that your cash software holds a valid editor attestation or NF525/LNE certificate.
- Ask your editor for the attestation if it was not provided.
- Make sure your consumer payments actually go through that software, not a spreadsheet.
- Don't confuse it with e-invoicing: also check your accounting software and its approved platform.
This guide is informational and does not replace accounting or legal advice: confirm your situation with your accountant.
In short
NF525 secures your cash software for consumer sales. Two equivalent routes justify it: certification by a body or the editor's attestation. After the 2025-2026 round trip, the attestation remains valid and there is no imposed certification deadline. It is distinct from e-invoicing. myWebPOS is compliant via editor attestation and centralizes your store and web sales in one system.
Frequently asked questions
NF525 is a certification mark for cash software. The obligation itself stems from the anti-VAT-fraud law and requires, since 2018, that consumer payments be tamper-proof and secured. It is justified by this certification or by an editor attestation.
Every VAT-registered business that records consumer payments through cash software, including online. You are not concerned if you sell exclusively to businesses.
Yes. The 2025 Finance Act removed the editor attestation, the 2026 Finance Act reinstated it. Both routes, certification or attestation, are valid again.
Certification is issued by an accredited body (Infocert for the NF525 mark, or LNE). The attestation is a declaration by the editor matching the administration's model. Both justify compliance, with equal value.
7,500 euros per cash software concerned (article 1770 duodecies of the tax code), with a 60-day window to comply after an audit.
Yes, as soon as you take payments from consumers, including through a web till. An omnichannel seller with a physical till is clearly concerned.
No. NF525 secures your cash software; e-invoicing governs the transmission of invoices and sales data. They are two distinct obligations.
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