Finance Ministry issues tax-interest order effective October 1
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What happened
The Federal Ministry of Finance on September 24 issued an order linking interest charges on unpaid taxes to borrowing costs, effective October 1. The move comes during a six-week review, begun on September 18, of Nigeria's new tax laws to fix implementation issues.
Why it matters
The order changes the cost of tax non-compliance just ahead of implementation and can alter cash-flow planning for firms with arrears. It also gives a near-term signal of how firmly the federal government intends to enforce the new tax regime while the review is still under way.
Nigeria's fiscal reform drive moved into a new implementation step on September 24 when the Federal Ministry of Finance issued an order tying interest on unpaid taxes to prevailing borrowing costs, with effect from October 1. This follows the ministry's September 18 start of a six-week review of the new tax laws to address rollout problems. The named actors are the Finance Ministry under Taiwo Oyedele and the federal tax-administration apparatus, with the near-term test being whether businesses and subnational actors comply, seek revisions, or organize pushback as enforcement tightens.
Watch for
Federal Ministry of Finance publication of implementation guidance or FAQs on the tax-interest order by 2026-09-27 Federal Inland Revenue Service notice on calculation methodology for unpaid-tax interest before 2026-10-01 Organised Private Sector of Nigeria or MAN filing a formal memorandum or public objection on the October 1 start date by 2026-09-27 Nigeria Governors' Forum communiqué after any meeting before 2026-09-27 referencing tax-law enforcement, revenue sharing, or implementation concerns
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