When does e-invoicing become mandatory?

E-invoicing is already live for large taxpayers (>₦500M turnover) since November 2025, with over 1,000 taxpayers onboarded. Medium businesses follow in 2026, then small businesses by 2027-2028. Check NRS announcements at nrs.gov.ng for exact dates.

What information must an e-invoice contain?

E-invoices must include: seller and buyer TIN, invoice number and date, description of goods/services, quantity and unit price, VAT amount, total amount, invoice_kind (B2B or B2C), state, LGA, and a unique NRS-generated transaction ID.

Can I use my existing accounting software?

Only if it's been updated to comply with NRS MBS e-invoicing standards. Check with your software vendor or use one of the 16 approved service providers. KeepAm is working on full e-invoicing compliance for our invoicing feature.

What if my buyer doesn't have a TIN?

For B2C transactions, buyer TIN may not be required below certain thresholds. For B2B transactions, you should always collect the buyer's TIN. NRS provides specific guidance via the MBS platform.

How does e-invoicing affect VAT claims?

Only invoices that have been validated through the NRS e-invoicing system will be accepted for VAT input claims. Paper invoices or non-compliant electronic invoices will not be valid.

Is there a grace period for small businesses?

Yes, small businesses (turnover under ₦100M) have until 2027 or later to comply. However, it's advisable to prepare early to avoid last-minute disruptions. The MBS developer community at community.nrsmbs.com has resources to help.

E-Invoicing: Complete Guide for Nigeria 2026

What is E-Invoicing?

Quick Answer

E-invoicing is the electronic generation, transmission, and storage of invoices in a standardized format. NRS (formerly FIRS) has implemented mandatory e-invoicing via the Merchant Buyer Solution (MBS) platform to improve tax compliance and reduce VAT fraud. Phase 1 for large taxpayers has been live since November 2025.

Registration Threshold

E-invoicing is now mandatory for large taxpayers (annual turnover above ₦500 million) since November 2025. Medium and small businesses will follow in phases through 2027.

Who Must Register for E-Invoicing?

Large taxpayers (turnover > ₦500M) - Phase 1 (Live since Nov 2025)

Medium taxpayers (turnover ₦100M-₦500M) - Phase 2 (2026)

Small taxpayers (turnover ₦50M-₦100M) - Phase 3 (2027)

All VAT-registered businesses - Full rollout by 2028

How to Register for E-Invoicing

Assess Your Business

Determine which phase applies to your business based on annual turnover.

Upgrade Accounting System

Ensure your invoicing software can generate NRS-compliant electronic invoices.

Register on NRS MBS Platform

Create an account on the NRS e-invoicing portal at mbs.gov.ng or einvoice.firs.gov.ng.

Connect Your Systems

Integrate your accounting/POS system with NRS via API (Direct Fiscalization) or use an approved service provider.

Test & Go Live

Complete testing period and begin issuing mandatory e-invoices.

Technical Requirements

Invoice Data Elements

• Seller TIN and business details
• Buyer TIN (for B2B transactions)
• Unique invoice number and date
• Invoice kind: B2B or B2C (new field)
• State and Local Government Area (new fields)
• Line items with descriptions, quantities, prices
• VAT breakdown (rate and amount)
• NRS-generated transaction reference
• Digital signature/hash for integrity

System Integration Options

• Direct Fiscalization (API): Connect your accounting system directly to NRS via the MBS API
• Web Portal: Use the NRS MBS portal at einvoice.firs.gov.ng for manual invoice creation
• Approved Service Providers: Use one of 16 NRS-approved intermediaries
• POS Integration: For retail businesses with point-of-sale systems

NRS E-Invoicing Platforms & Resources

Official Platforms

MBS Platform:mbs.gov.ng
E-Invoice Portal:einvoice.firs.gov.ng
Developer Community:community.nrsmbs.com
NRS Website:nrs.gov.ng

Benefits of E-Invoicing

For Businesses

✓ Faster invoice processing
✓ Reduced paperwork and storage costs
✓ Fewer invoice disputes
✓ Easier VAT reconciliation
✓ Better cash flow visibility

For Tax Compliance

✓ Automatic VAT reporting
✓ Real-time transaction verification
✓ Reduced audit burden
✓ Faster VAT refund processing
✓ Clearer paper trail

KeepAm is preparing: Our invoicing feature is being updated to comply with NRS e-invoicing requirements. KeepAm users will have a seamless transition when mandatory e-invoicing reaches their business category.

Implementation Timeline

Phase	Business Category	Timeline
Phase 1	Large taxpayers (>₦500M turnover)	Nov 2025 (Live)
Phase 2	Medium taxpayers (₦100M-₦500M)	Q4 2026
Phase 3	Small taxpayers (₦50M-₦100M)	Q2 2027
Phase 4	All VAT-registered businesses	Q4 2027 - 2028

Phase 1 is live: Over 1,000 large taxpayers have been onboarded since November 2025. Monitor official NRS channels at nrs.gov.ng for updates on subsequent phases.

Compliance Checklist

Determine your e-invoicing phase based on turnover

Audit current invoicing processes and systems

Select NRS-compliant e-invoicing solution

Train staff on new e-invoicing procedures

Test integration before go-live date

Maintain backup systems for invoice storage

Monitor NRS announcements for updates

Track Compliance with KeepAm

Penalties for Non-Compliance

Violation	Penalty	Notes
Failure to issue e-invoice	Invoice not valid for tax purposes (cannot claim VAT input)	-
Using non-compliant system	Subject to NRS audit and potential penalties	-
Late adoption after deadline	₦50,000 first month + ₦25,000 each subsequent month	-
Data integrity issues	Re-audit of previous periods + penalties	-

Avoid penalties: Set up reminders for all filing deadlines. KeepAm sends automatic notifications before each due date.

Frequently Asked Questions

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