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Part of the guideHow to get paid in Nigeria: transfers, checkout and invoices
The short answer
Nigeria's e-invoicing system, the Merchant Buyer Solution run by the Nigeria Revenue Service (NRS), requires businesses to send each invoice to the NRS for validation before the buyer receives it, and the cleared invoice carries a unique Invoice Reference Number and QR code. It is being phased in by turnover: large businesses (₦5 billion and above) first, medium businesses (₦1 billion to ₦5 billion) from July 2026 with enforcement from January 2027, and smaller businesses from July 2027. Invoices without a valid reference risk penalties and lost input VAT.
For decades a Nigerian invoice was a document between two businesses. Under the new system it becomes a record the tax authority sees, validates and stamps before the buyer does. That changes how invoices are raised, what buyers will accept, and how quickly you get paid. This article explains the rules as of October 2026. For invoices in the wider context of getting paid, see our guide to getting paid in Nigeria.
What the system is
The NRS calls it the Merchant Buyer Solution (MBS), part of an Electronic Fiscal System. It works on a clearance model, aligned with the international PEPPOL framework. In plain terms:
- You raise an invoice in your accounting or invoicing software as usual.
- Your software, or a certified provider, formats it to the national standard and sends it for validation.
- The NRS system checks it and returns an Invoice Reference Number (IRN) and a cryptographic stamp, and the invoice carries a QR code.
- You send the cleared invoice to your customer.
- Your customer checks the IRN and accepts only a validated invoice.
Businesses do not usually connect to the NRS directly. Invoices pass through an NRS-approved Access Point Provider (APP), which validates and transmits them, and a System Integrator may configure your software to produce the roughly 80 mandatory and optional fields. Larger companies tend to connect their ERP through an API; smaller ones can use a provider's web portal. E-invoices can be issued in any currency.
- IRN
- Invoice Reference Number: the unique ID that makes an invoice traceable and valid.
- CSID
- Cryptographic Stamp Identifier: a digital signature showing the invoice has not been altered.
- APP
- Access Point Provider: an NRS-certified company that validates and transmits your invoices.
- SI
- System Integrator: configures your software to produce compliant invoices.
Who must comply, and when
The NRS phases the system in by annual turnover. Its February 2026 public notice, as summarised by Sovos, set this timeline:
| Category | Annual turnover | Go-live | Enforcement |
|---|---|---|---|
| Large | ₦5 billion and above | Already live (pilots from 2025) | NRS set 31 July 2026 as the end of the transition period |
| Medium | ₦1 billion to ₦5 billion | 1 July 2026 | January 2027 |
| Emerging (small) | Below ₦1 billion | 1 July 2027 | January 2028 |
In July 2026 the NRS said more than 1,000 companies had complied as of the first quarter, and that it had begun compliance monitoring of large taxpayers. Dates have moved before, so check the NRS's latest notice.
What about sales to consumers?
The system covers business-to-business and business-to-government invoices first. Sales to consumers are in scope too, but the detailed process for them has been less clearly set out, and advisers have expected a simpler method. Retailers should watch for specific guidance.
Penalties and the input VAT problem
The Nigeria Tax Administration Act 2025, in full effect since 1 January 2026, sets the consequences. As reported by TechCabal, failing to process a taxable invoice through the system can bring a fine of ₦200,000 per invoice, plus 100% of the VAT due on it and interest. Just as important for suppliers, invoices without an IRN are not recognised: buyers cannot claim input VAT on them, and related expenses may be disallowed.
Worked example
A medium-sized packaging company issues 300 invoices a month. After enforcement begins in January 2027, if it kept issuing paper invoices for a month, its theoretical exposure would be 300 × ₦200,000 = ₦60 million in fines, before VAT and interest. Its customers face a separate problem: a ₦10 million order carries ₦750,000 of VAT at 7.5%, and without an IRN the buyer cannot reclaim that ₦750,000. Expect large buyers to refuse non-compliant invoices, which means delayed payment for the supplier.
What changes for getting paid
E-invoicing is usually discussed as a tax rule, but suppliers feel it first in their collections. Large buyers' accounts payable teams increasingly check for a valid IRN before approving an invoice, so a non-compliant invoice sits in a queue while a compliant one moves to payment. Reporting cited by TechCabal estimated up to ₦3.4 trillion in input VAT credits could be recovered as invoices become verifiable, which gives buyers a strong reason to insist.
There are upsides for suppliers too. Disputes over whether an invoice was received, or what it said, become easier to settle when the NRS holds the same record. Over time, a verified history of cleared invoices may also support invoice financing and other credit, because a lender can rely on it. VAT itself remains at 7.5%, and the VAT registration threshold rose to ₦50 million of annual turnover under the 2025 reforms.
What to do now
- Check your category. Work out your annual turnover against the ₦1 billion and ₦5 billion lines, and note your go-live and enforcement dates.
- Get your Tax ID in order. Registration with a provider requires a TIN, and every taxable business needs one from 2026.
- Choose a route. Ask your accounting or ERP vendor whether it connects to an NRS-certified Access Point Provider, or pick a provider with a web portal.
- Clean your customer data. Buyer names, TINs and addresses must be accurate for validation to succeed.
- Test before the deadline. Run validation and testing, and fix rejections before your enforcement date.
- Update your payment process. Put the IRN on payment requests so buyers can approve quickly, and expect large customers to ask for it before paying.
- Keep withholding tax in view. E-invoicing does not replace WHT; customers will still deduct it. See withholding tax on invoices.
A validated invoice record also makes matching easier, because each payment can be tied to an IRN. Our guide to payment reconciliation covers matching in detail.
Where Pryme fits
E-invoice clearance runs through NRS-certified providers. Pryme also offers invoicing for business accounts; check its page for what the current release covers before you build a process around it. If you are in scope, ask support@mypryme.com whether and how Pryme Invoicing connects to your provider well before your enforcement date. Business accounts also come with agents built and certified by Pryme Intelligence, a separate company: an agent prepares the work inside a mandate with a ceiling you set, nothing moves without approval, above the ceiling a person decides, and every step is recorded on an audit trail. See the main payments guide for the full picture.
Questions people ask
Is e-invoicing mandatory in Nigeria?
Yes, for businesses in scope under the NRS phased rollout. Large businesses with turnover of ₦5 billion or more came first, medium businesses go live from July 2026 with enforcement from January 2027, and smaller businesses follow from July 2027.
What is an IRN on a Nigerian invoice?
The Invoice Reference Number is a unique ID issued when the NRS system validates an invoice. An invoice without one is not legally recognised for VAT purposes, so buyers cannot claim input VAT on it.
What is the penalty for not using e-invoicing in Nigeria?
As reported in 2026, the Nigeria Tax Administration Act allows a fine of ₦200,000 per invoice not processed through the system, plus the VAT due and interest. Penalties apply once your category's enforcement phase begins.
Do small businesses need e-invoicing in Nigeria?
Businesses with turnover below ₦1 billion are in the last phase, going live from July 2027 with enforcement from January 2028 under the February 2026 timeline. They should still get a Tax ID and prepare their invoicing software.
What is an Access Point Provider?
An NRS-certified company that validates your invoices and sends them to the NRS system. Most businesses connect through one rather than directly.
Sources
- Sovos: Nigeria NRS publishes e-invoicing timeline · accessed Oct 2026
- Nairametrics: NRS sets July 31 deadline for large taxpayers' e-invoicing adoption · accessed Oct 2026
- TechCabal: All you need to know about e-invoicing in Nigeria · accessed Oct 2026
- KPMG Nigeria: Electronic fiscal systems in Nigeria · accessed Oct 2026
- Techpoint Africa: Guide to the Nigerian tax reform Acts · accessed Oct 2026
This article is general information, not financial, legal or tax advice. Products described are provided under the terms on this site and are subject to regulation and eligibility.