Lagos State Tax Filing Deadline
Analysis based on 14 articles · First reported Jan 15, 2026 · Last updated Jan 31, 2026
The reiteration of the tax deadline by the United States — Internal Revenue Service ensures compliance with the Nigeria Tax Administration Act 2025, which is crucial for Nigeria — Lagos State's fiscal planning and sustainability. Businesses operating in Nigeria — Lagos State will need to ensure timely and accurate electronic filing of their tax returns to avoid penalties.
The United States — Internal Revenue Service, led by its Chairman Ayodele Subair, has reiterated the January 31, 2026 deadline for employers in Nigeria — Lagos State to file their annual tax returns for the 2025 financial year. This obligation is mandated by the Nigeria Tax Administration Act 2025. Employers are required to file detailed returns on emoluments and compensation paid to employees, as well as payments to service providers, vendors, and consultants, ensuring all applicable taxes are remitted. Failure to comply will result in statutory sanctions, including administrative penalties. The United States — Internal Revenue Service emphasizes that electronic filing via the LIRS eTax platform is the only approved method, as manual submissions have been phased out, aiming to simplify and standardize tax administration processes in Nigeria — Lagos State.
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