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Nigeria TIN number guide

TIN​

In Nigeria, the Tax Identification Number (TIN) is provided to both individuals and business entities. Employed individuals receive their TIN from the States Board of Internal Revenue/Federal Capital Territory Inland Revenue Service (JTB TIN), while members of the armed forces of Nigeria, Nigeria Police Force, diplomats, and corporate entities obtain their TIN from the Federal Inland Revenue Service (FIRS). Serving as a unique identifier, the TIN is applicable to all registered persons and entities for the payment of various tax types. It's noteworthy that Nigeria adopts a unified TIN approach, without issuing separate TINs for different taxes.

Format

The Tax Identification Number (TIN) issued by the Federal Inland Revenue Service (FIRS) features a numerical format with a hyphen. The arrangement consists of eight digits followed by a hyphen and the sequence 0001, exemplified as 12345678-0001. On the other hand, the TIN issued by the Joint Tax Board (JTB) adopts a purely numerical structure and comprises 10 digits.

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Frequently Asked Questions​

The Federal Government mandated that all taxable persons obtain a Tax Identification Number (TIN) by January 1, 2026, but FIRS subsequently clarified that you do not need a separate TIN to open or operate a bank account. For individuals, your NIN (National Identification Number) will serve as your Tax ID; for companies, the CAC RC number fulfils the same role. Banks may place a "post no debit" restriction on accounts lacking any recognised identifier, but existing TIN holders do not need to re-register. Accounts belonging to non-taxable persons (e.g., minors) are exempt from the mandate. [1] [2]

Does a foreign company selling digital services to Nigerian customers need to register for a TIN and pay the 6% Significant Economic Presence tax?​

Yes. Under Nigeria's Finance Act 2021 and the Nigeria Tax Act 2025, a non-resident company is deemed to have a Significant Economic Presence (SEP) and becomes liable to Companies Income Tax at 6% of turnover if it derives at least ₦25 million (roughly US$16,000) from Nigerian customers in a tax year through digital content streaming, data collection, SaaS, or marketplace intermediation. Separately, non-resident digital service providers must register for VAT once annual supplies to Nigerian consumers exceed $25,000 (approx. ₦38 million). Both regimes require a TIN from FIRS and filing through TaxPro Max. [3] [4]

Why does withholding tax double if the supplier has no TIN, and what are the new 2024 rates?​

The Deduction at Source (Withholding) Regulations 2024, effective July 1, 2024, introduced a punitive double-rate rule: if a payee cannot present a valid TIN, the WHT rate applied is twice the standard rate for that transaction type. Under the revised schedule, professional and consultancy service fees paid to a Nigerian company now attract 5% (down from 10%); construction of roads and buildings attracts 2% for residents and 5% for non-residents. Without a TIN the respective rates become 10% and 4%/10%. Failure to deduct and remit by the 21st of the following month exposes the payer to a 10% annual penalty plus CBN minimum rediscount rate interest. [5] [6]

When is my business required to issue FIRS-cleared e-invoices through TaxPro Max, and what happens if I don't?​

FIRS launched a phased Electronic Fiscal System (EFS) mandate. Large taxpayers with annual revenue of ₦5 billion or above must clear all B2B and B2G invoices through the FIRS Merchant-Buyer Solution (MBS) platform from November 1, 2025; medium taxpayers (₦1 billion–₦5 billion) from July 1, 2026; and emerging taxpayers (below ₦1 billion) from July 1, 2027. For B2C transactions above ₦50,000, invoice data must be reported to FIRS within 24 hours of issuance. An uncleared invoice has no valid Invoice Reference Number (IRN) and can be refused by buyers. Non-compliance carries a ₦1 million penalty on the first day plus ₦10,000 per subsequent day. [7] [8]

Do I need a separate TIN from each state where my business operates, or does one federal TIN cover all states?​

Nigeria's unified TIN system means a single TIN issued by FIRS (or JTB for individuals) is used for all federal taxes — VAT, Companies Income Tax, and withholding tax — across every state. However, state-level obligations such as PAYE for employees are administered by the State Internal Revenue Service (SIRS) of the state where the employee is resident. Your federal TIN is accepted by the SIRS for identification, but the SIRS maintains its own filing and remittance cycle (deadline: 30th of the following month, versus the 21st for federal remittances). Businesses with employees in multiple states must therefore file PAYE returns with each relevant SIRS, even though the TIN itself is federal. [9] [10]