By George Ozalla

The Federal Government of Nigeria has introduced a new tax regime that mandates the use of Tax Identification Numbers (Tax IDs) for certain transactions. This move aims to enhance tax compliance, reduce duplication, and promote a fairer tax system.
According to Zacch Adedeji, Executive Chairman of the Federal Inland Revenue Service (FIRS), “The TIN requirement is a cornerstone of our tax reform efforts to enhance compliance, streamline revenue collection, and foster a transparent fiscal environment.”
Who Needs a Tax ID?
Individuals and businesses earning income are required to register for a Tax ID. Banks and financial institutions will request Tax IDs from taxable persons, while individuals who don’t earn income are exempt. Existing Tax Identification Numbers (TINs) remain valid, and individuals with TINs don’t need to register again.
The Tax ID is a unique number linked to an individual’s or company’s identity. To obtain one, visit the nearest FIRS, State IRS, or Joint Tax Board (JTB) office, or apply online through their official websites. The process is free of charge, and individuals can use their National Identification Number (NIN) or Corporate Affairs Commission (CAC) registration documents to process their Tax ID
Without a Tax ID, taxable persons may face sanctions and be unable to operate bank accounts, insurance policies, pension accounts, or investment accounts after January 1, 2026. The Tax ID requirement applies to both residents and non-residents conducting financial business in Nigeria.
The new tax regime aims to simplify identification, reduce duplication, and close loopholes that allow tax evasion. For most individuals and businesses, their NIN or CAC RC number will serve as their Tax ID, ensuring fairness and protecting low-income citizens who aren’t taxable.
