Large taxpayers who did not complete onboarding to the Nigeria Revenue Service’s electronic invoicing platform by July 31 are now subject to statutory penalties, following the closure of the compliance window the agency set for businesses with annual turnover above N5 billion.

The deadline, the NRS said in a statement on Saturday, marked the first enforcement threshold under the NRS’s national e-invoicing mandate, delivered via the Merchant Buyer Solution framework.

Businesses in the affected bracket were required to complete onboarding, integrate their systems with an accredited Access Point Provider or System Integrator, and begin transmitting invoices to the NRS platform for validation.

Invoices that pass the process receive a unique Invoice Reference Number and a QR code confirming their fiscal status.
Non-compliant transactions now fall outside that protection.

Under the Nigeria Tax Administration Act, invoices not validated through the NRS system attract a N200,000 penalty per infraction, a 100 per cent surcharge on the tax due, and interest at the Central Bank of Nigeria’s Monetary Policy Rate plus two points. Unvalidated invoices may also be ineligible for VAT input credit claims and tax-deductible expense treatment, adding a further layer of cost for affected businesses and their trading partners.

Dr Zacch Adedeji, the NRS’s Executive Chairman, signed the public notice in February that first set out the implementation timeline for large taxpayers.

In a reminder issued on July 19 via the agency’s Special Adviser on Media, Dare Adekanmbi, the NRS said it had commenced compliance monitoring to assess adherence levels ahead of the deadline.

“Any defaulting member may be subjected to appropriate regulatory and enforcement actions in accordance with the relevant tax laws and regulations,” the notice read, adding that the NRS “remains committed to providing the necessary support to ensure the successful implementation of the national e-invoicing regime.”

Speaking at the DigiTax E-Invoicing Compliance Breakfast Session in Lagos on July 14, Mohammed Bawa, the NRS’s e-invoicing project lead, has said that the agency had completed onboarding for large taxpayers and was preparing enforcement action against entities that had yet to comply.

“The transition is not merely about replacing paper invoices with electronic ones.

“It is about moving from fragmented manual and electronic processes to a fully automated, system-to-system tax administration model,” Bawa said.

Olumide Akinsola, Country Director of DigiTax Nigeria, an NRS-accredited e-invoicing platform operating as both a System Integrator and an Access Point Provider, said that in the days before the deadline, businesses still outside the system had run out of time.

“If you are a large taxpayer and you are still not compliant, you have until July 31st to do that.

“You are officially in the range of punitive measures, which are defined by the law as fines that apply to your invoices that you have not transmitted to the NRS,” Akinsola said

The NRS said that more than 1,000 large taxpayers had completed onboarding by the first quarter of 2026, though the agency has not disclosed how many remained outside the system when the window closed.

The July 31 deadline followed earlier adjustments to the implementation timeline, which had shifted from November to June before settling on the final date.

The large taxpayer phase is the first of three under the NRS rollout. Medium taxpayers, defined as businesses with turnover between N1 billion and N5 billion, are expected to begin their compliance phase in the third quarter of 2026.

“Emerging taxpayers, those below the N1 billion threshold, are due to be onboarded from 2027, with the NRS targeting full nationwide adoption of the e-invoicing system by the end of 2028.

For now, the immediate question is how many large taxpayers remain exposed and how quickly they move to close the gap, given that the penalty framework is already in effect for every invoice that has not passed through the NRS platform.

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