How to Retrieve Your Tax ID Online in Nigeria Using Your NIN or CAC Number —A Step-by-Step Guide

The Joint Tax Board (JTB) of Nigeria has made Tax Identification Number (TIN) easier for Nigerians to obtain without undergoing efforts.

In a statement posted on its official X handle, the board explained that taxpayers will no longer need to undergo a separate registration process to obtain or generate a Tax ID. Instead, individuals and businesses can retrieve their unique 13-digit Tax ID online by using existing national identifiers, specifically, the National Identification Number (NIN) for individuals and the Corporate Affairs Commission (CAC) registration number for companies and other registered entities.

The Tax ID is a critical requirement under the National Tax Administration Act (NTAA) and has implications not just for tax compliance but also for linking financial services and regulatory processes with a verified identity. The portal simplifies access and ensures taxpayers can obtain their Tax ID quickly and efficiently, the board said.

According to the JTB’s announcement, the new online retrieval system will officially go live from January 1, 2026, aligning with the enactment of tax reforms aimed at improving tax administration and reducing duplication across government databases.

In its statement, the board said, “The portal, which goes live from January 1, 2026, will allow individual Nigerians and businesses to retrieve their tax identification number (Tax ID) using either the National Identification Number (NIN) for individuals and the Corporate Affairs Commission (CAC) registration number for businesses.”

According to the announcement, for individual taxpayers, the process on the portal is straightforward and can be completed within minutes if the correct details are at hand:

“Visit the Official Portal:Go to either: www.taxidjtb.gov.ng or www.taxidnrs.gov.ng.”

Select the ‘Individual’ Tab: On the homepage, click on the section marked Individual.

Enter Your NIN: Provide your 11-digit National Identification Number (NIN).

Retrieve Tax ID: Click Retrieve Tax ID.

Verify Your Details: Input your First Name, Last Name and Date of Birth exactly as captured by the National Identity Management Commission (NIMC).

See Your Tax ID: Once the portal verifies your details, your 13-digit Tax ID will be displayed on the screen.

Step-by-Step: How Registered Entities (Businesses) Can Retrieve Their Tax ID

Additionally, taxable organisations, including companies and other registered entities, can also retrieve their Tax ID using similar steps:

Visit the Portal: Go to www.taxidjtb.gov.ng or www.taxidnrs.gov.ng.

Select ‘Corporate’ Tab: On the homepage, choose the Corporate option.

Enter CAC Number: Input your Corporate Affairs Commission (CAC) registration number.

Retrieve Tax ID:Click Retrieve Tax ID, after which the 13-digit Tax ID linked to your business will appear on the screen.

The introduction of this portal comes amid ongoing efforts by the federal government and revenue authorities to harmonise tax identification and improve compliance. With the Tax ID linked directly to existing government identifiers, the NIN for individuals and the CAC registration number for businesses, the system reduces the burden on taxpayers to register separately for tax purposes.

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