Nigeria’s electronic invoicing regime is no longer a proposal. Under the Nigeria Tax Administration Act (s.23) and the Nigeria Tax Act (s.151(4)), the Nigeria Revenue Service is rolling out a national e-invoicing and Electronic Fiscal System in phases, through its Merchant Buyer Solution platform. Invoices are validated by the tax authority and carry a unique Invoice Reference Number and cryptographic stamp. Business-to-business and business-to-government invoices are cleared before they reach the buyer; consumer transactions must be reported within 24 hours of issuance.
The timetable is set by turnover band. Large taxpayers — annual turnover above ₦5 billion — went live in November 2025 and passed their final compliance deadline on 31 July 2026; enforcement is active. Medium taxpayers — ₦1 billion to ₦5 billion — reached go-live on 1 July 2026, with a post-go-live review in October and November and compliance enforcement beginning January 2027. Emerging taxpayers — below ₦1 billion — follow, with go-live set for 1 July 2027 and enforcement from January 2028.
Two features of this design deserve more attention than they get.
First, the quiet period is not a grace period. Between go-live and enforcement, the obligation already exists; only the penalty machinery waits. A medium-band firm that treats January 2027 as its start date has misread the calendar — the system expects it to be transmitting now.
Second, the mandate reaches you through your counterparties even before it reaches you directly. The regulator has instructed businesses to receive only compliant electronic invoices carrying a valid Invoice Reference Number from their suppliers. If your customers are large taxpayers, your invoices already pass through their compliance, whatever band you sit in.
Compliance itself is concrete, not conceptual: onboarding to the Merchant Buyer Solution, integration through the portal or by API via an accredited Access Point Provider or Systems Integrator, validation and testing, and live transmission to the national platform in the prescribed format. Each step takes calendar time — integration and testing do not compress well under deadline pressure, and the accredited-provider channel gets crowded as each enforcement window approaches.
The practical question for a Nigerian mid-market firm is therefore not whether to comply but on what date, at what cost, and with what proof. The deadline is the regulator’s, not ours. The date, the cost, and the proof can still be yours.
— Aviot Advisory
Advisory enquiries — aviot.nigeria@aviot.ng