The Nigeria Revenue Service (NRS) has officially shifted from the planning phase to active enforcement of its National E-Invoicing and Electronic Fiscal System, commonly referred to as the Merchant Buyer Solution (MBS). Recent public notices from the Service confirm that compliance monitoring has commenced for large taxpayers with full compliance expected by 31 July 2026.
This development marks a major step in Nigeria’s digital tax administration agenda and signals that businesses should begin treating e-invoicing as a core compliance obligation rather than a future requirement.
Understanding the National E-Invoicing and Electronic Fiscal System
The National E-Invoicing and Electronic Fiscal System is a technology-driven platform introduced by the NRS to facilitate the electronic exchange of invoices between businesses and the tax authority. Rather than generating invoices that remain solely within a company’s internal accounting system, eligible invoices must now be transmitted electronically to the NRS through accredited technology partners.
By implementing this framework, the NRS aims to strengthen tax administration through real-time access to transaction data, improve transparency, reduce revenue leakages and enhance overall tax compliance.
The legal authority for the initiative is derived from Section 23 of the Nigeria Tax Administration Act (NTAA), which authorizes the deployment of technology for tax administration and collection and Section 158 of the Nigeria Tax Act (NTA) which requires taxpayers to adopt the fiscalisation system introduced by the Service.
Businesses Affected by the Rollout
Implementation of the e-invoicing system is being carried out in stages based on annual business turnover.
Large Taxpayers (Annual Turnover Above ₦5 Billion)
Large taxpayers are already within the enforcement phase. The NRS has confirmed that compliance monitoring is ongoing meaning businesses in this category should have completed registration, system integration, testing and commenced electronic invoice transmission through the platform.
Medium Taxpayers (Annual Turnover Between ₦1 Billion and ₦5 Billion)
Although enforcement for medium-sized businesses will begin later, implementation activities are already underway. Stakeholder engagements and pilot programmes have commenced, with Go-Live scheduled for 1 July 2026 and enforcement expected between January and March 2027.
Businesses in this category are encouraged to begin implementation early as integrating accounting systems and completing validation exercises can take considerable time.
Emerging Taxpayers (Annual Turnover Below ₦1 Billion)
Smaller businesses have a longer implementation window. Their Go-Live date is scheduled for 1 July 2027, while enforcement is expected between January and March 2028.
Although immediate compliance is not required, early planning can help businesses budget for system upgrades, engage implementation partners, and avoid last-minute disruptions.
What Compliance Requires
Compliance extends beyond simply registering on the Merchant Buyer Solution platform. Businesses are expected to complete several key steps before they can be regarded as fully compliant.
These include:
- Registering on the Merchant Buyer Solution (MBS).
- Integrating internal accounting or ERP systems through an approved Access Point Provider (APP) or Systems Integrator (SI).
- Completing system testing and validation.
- Commencing electronic transmission of qualifying invoices.
- Verifying that invoices received from suppliers contain a valid Invoice Reference Number (IRN).
Accordingly, compliance should be viewed as the successful implementation of an end-to-end electronic invoicing process rather than a one-time registration exercise.
Supplier Compliance Is Equally Important
One aspect of the new framework that may receive less attention is the responsibility placed on businesses regarding invoices received from suppliers.
The NRS expects businesses to verify that supplier invoices include a valid Invoice Reference Number (IRN). This means procurement, finance, and accounts payable teams should actively engage with vendors to confirm their readiness for the new system.
Failure by suppliers to comply could create challenges during tax audits and may affect the recognition of input VAT and other tax-related claims.
Why Early Action Matters
For large taxpayers, compliance is no longer optional or something that can be postponed. The NRS has indicated that monitoring activities are already in progress, and businesses that fail to meet the requirements may face regulatory sanctions under the applicable tax laws.
Medium taxpayers should also avoid delaying implementation. Selecting an approved technology provider, integrating existing accounting systems, and completing technical testing require adequate preparation. Starting early can significantly reduce implementation risks and operational disruptions.
Even businesses scheduled for later phases should take advantage of the additional preparation period to understand the requirements, assess technology needs, and allocate implementation budgets.
Practical Steps Businesses Should Take
To ensure a smooth transition, businesses should consider the following actions:
- Determine the taxpayer category applicable to the business based on annual turnover.
- Large taxpayers should confirm that onboarding, system integration, testing, and live invoice transmission have all been successfully completed.
- Medium taxpayers should begin engaging an approved Access Point Provider or Systems Integrator ahead of the mandatory implementation date.
- Review supplier relationships to ensure key vendors are also preparing for compliance with the new invoicing framework.
- Maintain detailed records of registration, testing, integration, and deployment activities to support future compliance reviews or tax audits.
- Monitor updates from the NRS for additional technical guidance, implementation timelines, and regulatory developments.
Conclusion
The National E-Invoicing & Electronic Fiscal System represents one of the most significant digital tax reforms introduced in Nigeria in recent years. Although implementation will require investment in technology and process improvements, businesses that prepare early are likely to experience a smoother transition and reduce the risk of regulatory challenges.
The direction of travel is clear: electronic invoicing is rapidly becoming an integral part of tax compliance and modern business operations in Nigeria. Organizations that act proactively will be better positioned to meet regulatory expectations while strengthening their internal financial reporting and compliance processes.
Reference
- Nigeria Revenue Service. (2026, February 17). Public Notice on the Implementation Timeline for the National E-Invoicing & Electronic Fiscal System (Merchant Buyer Solution).
- Nigeria Revenue Service. (2026, July). Public Notice on Compliance Monitoring for Large Taxpayers under the National E-Invoicing & Electronic Fiscal System. Nigeria Revenue Service.
- Nigeria Revenue Service. Merchant Buyer Solution (MBS): National E-Invoicing Platform. Retrieved August 4, 2026,
- Nigeria Tax Administration Act, 2025, Section 23.
- Nigeria Tax Act, 2025, Section 158.
- The Guardian Nigeria (2026, July 20). NRS issues deadline for e-invoicing compliance.
Enquiries
Gbenga Badejo & Co. (Chartered Accountants) and GBC Professional Services is available for any clarification in this regard. Please reach out to Mr. Ayoade Apelegan, ACA on 08035677887, Mrs. Damilola Akindele, ACA on 08167665737 and Mr. Emmanuel Ogiaga, FCA on 08038299593.
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