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Nigeria VAT Invoice Format and FIRS E-Invoicing

Nigerian invoicing has changed more in the last two years than in the previous twenty, because the Federal Inland Revenue Service has moved VAT-registered businesses onto a validated e-invoicing system. Alongside that sits a feature of Nigerian commerce that surprises everyone invoicing into the country for the first time: your customer will very likely deduct withholding tax before paying you, so the amount on your invoice is not the amount that arrives.

By Arshad Hossain · Published

The short version

  • FIRS e-invoicing has been phased in for VAT-registered businesses, with validation producing an IRN and QR code.
  • Withholding tax is deducted by your customer — your invoice total and your bank credit will differ.
  • TIN registration on the FIRS portal comes before you can issue validated e-invoices.
  • B2C transactions above ₦50,000 carry a reporting obligation within 24 hours.

What a Nigerian VAT invoice must show

The core requirements are close to international norms, with the tax identification number doing the work that a VAT number does elsewhere.

  • Your registered business name and address
  • Your Taxpayer Identification Number
  • A unique, sequential invoice number
  • The date of issue
  • The customer's name, address and TIN
  • A description of the goods or services supplied
  • Quantity and unit price per line
  • The VAT rate applied and the VAT amount, shown separately
  • The total amount payable
  • Where e-invoicing applies, the Invoice Reference Number and QR code returned by FIRS

How FIRS e-invoicing works

The system is a validation model rather than a reporting one, which means the invoice is not complete until the tax authority has stamped it.

You register on the FIRS platform using your TIN and supply your company details. Invoices are then submitted, either through the portal or through an accredited Access Point Provider, in a structured format aligned to the Peppol BIS 3.0 standard.

FIRS validates the submission and, if it passes, returns an Invoice Reference Number, a cryptographic stamp and a QR code. Those must appear on the document you give the customer. An invoice without them has not been validated.

Rollout has been phased, starting with large taxpayers and extending to medium and small VAT-registered businesses. Because the phasing has moved, check your own obligation at the FIRS e-invoicing portal rather than relying on a date quoted in an article.

Withholding tax: why you receive less than you invoiced

This is the part that catches out foreign suppliers and new freelancers alike, and it is not an error by the customer.

Nigerian customers are required to withhold tax at source on many categories of payment and remit it to FIRS on your behalf. You invoice the full amount, they deduct the applicable percentage, and you receive the balance. The rate depends on the nature of the supply and on whether the recipient is a company or an individual.

The deduction is not lost money. Your customer should give you a withholding tax credit note, and that credit is set against your own tax liability. But you must ask for the credit note, keep it, and reconcile it — suppliers who ignore this effectively pay the tax twice.

Practically: do not treat an underpayment as a short payment until you have checked whether it is withholding. The arithmetic usually gives it away immediately, and raising a dispute over a correct WHT deduction damages the relationship for nothing. There is more on genuine short payments in disputed invoices.

Records and reporting

E-invoices must be stored electronically, including a human-readable version, for at least six years by both supplier and buyer. That obligation sits on both sides of the transaction, so a customer asking you to keep copies is not being difficult.

For business-to-consumer transactions above ₦50,000, invoice details must be reported to the FIRS system within 24 hours of issue. This is a genuinely short window and needs to be built into your process rather than handled at month end.

Nigerian invoicing questions, answered

What is the VAT rate in Nigeria?

The standard rate is 7.5%, applied to taxable supplies with certain items exempt or zero-rated. Show the VAT as its own line with the rate stated, rather than folding it into unit prices, since your customer needs the figure separately.

What is a TIN in Nigeria?

A Taxpayer Identification Number issued on registration with the tax authorities, used as the primary identifier on invoices and in the FIRS systems. You need it before you can register for e-invoicing or issue a compliant VAT invoice.

What is FIRS e-invoicing?

A validation system where invoices are submitted to the Federal Inland Revenue Service in a structured format, checked, and returned with an Invoice Reference Number, cryptographic stamp and QR code. Those markers are what make the invoice valid.

What is an IRN on a Nigerian invoice?

The Invoice Reference Number that FIRS issues when a submitted invoice passes validation. It appears on the document alongside the QR code, and its presence is how a customer confirms your invoice went through the system.

Who must comply with FIRS e-invoicing?

VAT-registered businesses, phased in by size with large taxpayers first and smaller businesses following. Because the phasing dates have shifted, confirm your own position on the FIRS e-invoicing portal rather than working from a summary.

What is withholding tax on a Nigerian invoice?

Tax your customer deducts from your payment and remits to FIRS on your behalf. You invoice the full amount and receive the balance. Ask for the withholding tax credit note — it offsets your own liability, and without it you effectively pay twice.

Why did my Nigerian client pay less than the invoice?

Most often withholding tax, deducted at source as the law requires rather than a short payment. Check whether the shortfall matches an applicable WHT rate before raising it as a dispute, and request the credit note that should accompany it.

Do I need to charge VAT as a freelancer in Nigeria?

If you are VAT-registered, yes, on taxable supplies. Registration obligations depend on turnover and on the nature of your supplies, and small-business thresholds have been revised, so confirm your current position rather than assuming an older threshold still applies.

What format must Nigerian e-invoices be in?

Structured XML or JSON aligned to the Peppol BIS 3.0 standard, submitted through the FIRS portal or an accredited Access Point Provider. This is a machine format — the human-readable PDF your customer sees is generated alongside it.

What is the ₦50,000 reporting rule?

For business-to-consumer transactions above ₦50,000, invoice details must be reported to the FIRS system within 24 hours of issue. The window is short enough that it needs automating rather than handling as a periodic task.

How long must Nigerian invoices be kept?

At least six years, stored electronically and including a human-readable version, by both the supplier and the buyer. Keep the validation response with the invoice, since the IRN is part of what makes the record complete.

Can I invoice a Nigerian client in dollars?

Foreign-currency invoicing is common for export and international services, subject to the applicable exchange control and reporting rules. Agree the currency and who bears conversion costs in advance, and expect withholding to be calculated on the naira equivalent.

Frequently Asked Questions

What happens if I issue an invoice without FIRS validation?

Where e-invoicing applies to you, an unvalidated invoice is not compliant, and your customer may refuse it because it will not support their own position. Penalties attach to non-compliance, so confirm whether your phase has commenced before relying on paper processes.

Do I need an accredited Access Point Provider?

Not necessarily — submissions can be made through the FIRS portal directly. An accredited provider is generally used by businesses with enough volume that manual submission is impractical, or with an ERP that needs integrating.

Is withholding tax the same as VAT in Nigeria?

No. VAT is a consumption tax you charge on top of your price. Withholding tax is an advance deduction from what you are owed, credited against your own income tax. A single invoice can involve both — VAT added, WHT deducted.

Sources

  1. FIRS e-invoicing portal — Federal Inland Revenue Service
  2. TaxProMax taxpayer portal — Federal Inland Revenue Service

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