What Nigeria's 2026 Tax & Fiscal Reforms Mean for Oil, Gas and Infrastructure Projects, Practical Steps for Sponsors, Lenders and Contractors

Nigeria’s sweeping tax reform Nigeria oil gas sector has been waiting for took effect on 1 January 2026, consolidating decades of fragmented fiscal legislation into a single framework under the Nigeria Tax Act 2025 (NTA). The reforms reshape corporate tax obligations, redesign VAT exemptions through the VAT Modification Order, tighten import restrictions on project equipment, and introduce new gas-production incentives, all of which directly alter the economics, procurement logistics and contractual risk allocation of energy and infrastructure projects. For project sponsors, lenders providing commercial finance, and EPC contractors managing billion-naira supply chains, the compliance window is already open.

This guide sets out, section by section, precisely what each project party must do now to stay compliant, protect margins and renegotiate transaction documents.

TL;DR, What Sponsors, Lenders and Contractors Must Do Now

The 2026 tax reform Nigeria oil gas participants face is not a single-issue change, it is a legislative package that touches every layer of a project structure. The following seven actions should be treated as immediate priorities.

• Re-run financial models. Update base-case and downside scenarios to reflect revised corporate tax rates and the elimination or restructuring of legacy petroleum profits tax (PPT) allowances. Owner: CFO / financial adviser. Deadline: before next board cycle.
• Audit VAT exposure on imported equipment. Map every line item in the procurement schedule against the VAT Modification Order categories to confirm exemption eligibility. Owner: procurement lead + tax counsel.
• Verify customs classifications. Confirm HS codes for all capital equipment against updated import restrictions and duty schedules published by the Nigeria Customs Service. Owner: logistics / customs broker.
• Review and amend lender covenants. Ensure financial covenants, DSCR thresholds and tax-compliance representations in facility agreements reflect the NTA regime. Owner: GC / external counsel + lender relationship team.
• Issue tax-change notices under existing contracts. Trigger any “change in law” or “tax change” clauses in EPC, EPCM and O&M agreements within contractual notice periods. Owner: GC / contracts manager.
• Secure gas-project incentive certificates. For greenfield gas developments, apply to the Federal Ministry of Finance for gas production tax credit certification under the new incentive framework. Owner: project development team.
• Conduct tax due diligence refreshers. For any pending acquisition, financing or joint-venture restructuring, update tax due diligence Nigeria workstreams to capture NTA-era exposures. Owner: deal counsel / tax adviser.

Executive Summary and Timeline of the 2025/2026 Reforms

Key Legislation at a Glance

The 2026 tax reform Nigeria oil gas companies must navigate rests on several interconnected instruments. The Nigeria Tax Act 2025 is the centrepiece, signed into law in 2025 and effective 1 January 2026, replacing and consolidating multiple prior statutes including the Companies Income Tax Act (CITA), the Petroleum Profits Tax Act (PPTA), the Value Added Tax Act and the Capital Gains Tax Act into a unified code. Alongside the NTA, the VAT Modification Order (issued by the Federal Ministry of Finance) reconfigured the list of exempt and zero-rated supplies, while new customs circulars imposed additional import documentation requirements for capital goods.

Timeline of Milestones

Industry observers expect that the Federal Inland Revenue Service (FIRS) will issue additional implementation guidelines and filing templates throughout 2026. Sponsors and lenders should monitor official gazette publications and FIRS circulars on at least a quarterly basis, as transitional provisions may create interim compliance obligations distinct from the steady-state regime.

What Changed for Oil and Gas Projects and Infrastructure, Tax Reform Nigeria Oil Gas Impact Analysis

Corporate Tax and Petroleum-Specific Changes

The NTA replaced the Petroleum Profits Tax Act, which had governed upstream taxation since 1959, with a modernised petroleum income tax framework integrated into the broader corporate tax Nigeria architecture. Under the old regime, upstream companies paid PPT at rates as high as 85 per cent for joint-venture operations. The NTA introduces a restructured hydrocarbon tax with differentiated rates depending on contract type (production sharing, sole risk, marginal field), while non-upstream petroleum operations, midstream and downstream, fall under the general corporate income tax provisions. Early indications suggest the practical effect will be a reduction in effective tax rates for new-entrant upstream projects but an increase in compliance complexity for integrated operators that straddle upstream and downstream activities.

VAT Exemption Redesign and VAT Modification Order Implications

VAT exemptions Nigeria project sponsors previously relied on, particularly for imported plant and machinery destined for oil and gas projects Nigeria, have been narrowed or reclassified. The VAT Modification Order recategorises several classes of capital goods, meaning that equipment previously imported VAT-free may now attract VAT at the applicable rate unless the importer secures a specific exemption certificate. This directly affects infrastructure project procurement budgets: a 7.5 per cent VAT charge on a multi-billion-naira turbine package is not a rounding error.

Import Restrictions and Customs Duty Rules for Project Equipment

New import restrictions Nigeria customs authorities have begun enforcing require pre-arrival documentation, including end-user certificates, Nigerian Content Development and Monitoring Board (NCDMB) compliance certificates and enhanced HS code declarations, for all capital equipment destined for oil and gas or major infrastructure works. Items lacking the correct documentation face port delays, bonded-warehouse surcharges or outright refusal of entry. The likely practical effect will be longer procurement lead times and higher carrying costs for EPC contractors managing just-in-time delivery schedules.

New Incentives, Gas Production Tax Credits and Allowances

The Federal Ministry of Finance has introduced fiscal incentives designed to accelerate gas utilisation and reduce flaring. These include gas production tax credits for qualifying greenfield gas developments, enhanced capital allowances for gas-processing infrastructure, and time-limited exemptions from certain import duties on LNG and CNG compression equipment. The EY Nigeria tax alert confirms that eligible companies may claim credits against their hydrocarbon tax liability for a defined period following first gas, provided the project meets minimum domestic-supply thresholds.

Practical Steps for Sponsors, Tax Reform Nigeria Oil Gas Compliance Playbook

Commercial and Financial Re-Modelling

Sponsors should treat the NTA as a trigger event for a full financial-model refresh. At a minimum, this means updating the tax-rate assumptions in base-case and sensitivity scenarios for every active project, recalculating after-tax cash flows and equity IRRs, and stress-testing covenant headroom under the revised corporate tax Nigeria framework. PwC’s sectoral analysis recommends that integrated oil and gas operators separately model the upstream hydrocarbon tax and the downstream corporate income tax to avoid blending errors that distort consolidated returns.

Procurement Strategy and Import Planning

Given the tighter import restrictions Nigeria now enforces, sponsors should:

• Appoint a customs compliance lead within the project management team at least 90 days before any major equipment shipment.
• Pre-classify all items against the updated HS code schedule and obtain written customs rulings where classification is ambiguous.
• Secure NCDMB compliance certificates for all items requiring Nigerian-content verification.
• Arrange bonded-warehouse capacity at the port of entry as a contingency against clearance delays.
• Negotiate Incoterms carefully. DDP (Delivered Duty Paid) transfers customs risk to the seller; DAP (Delivered at Place) leaves it with the buyer. The choice directly affects which party bears the cost of any new duties or VAT charges.

Tax Structuring Options

The NTA creates structuring choices that did not exist under the old regime. Sponsors should evaluate whether a holding-company structure (with a Nigerian operating subsidiary) offers better tax efficiency than a branch model, particularly where the project straddles upstream and downstream activities. Gas-focused sponsors should assess eligibility for the new production tax credits early, the application process requires a pre-investment commitment letter and a gas-utilisation plan approved by the Department of Petroleum Resources.

Contract Renegotiation Priorities

Existing project agreements, shareholder agreements, EPC contracts, O&M agreements, offtake contracts, are unlikely to have anticipated the full scope of the NTA. Sponsors should prioritise the following renegotiation items:

• Price-escalation clauses. Ensure that any increase in tax or duty is a qualifying cost under the escalation mechanism.
• Tax gross-up provisions. Confirm that gross-up language covers the new hydrocarbon tax and any reclassified VAT charges.
• Change-in-law triggers. Verify that the NTA qualifies as a “change in law” event under force majeure or hardship clauses, and issue notices within the contractual time limits.
• Tax indemnities. Review scope, survival periods and caps, pre-NTA indemnities may not cover the restructured tax heads.

Practical Steps for Lenders, Project Finance Nigeria Under the New Regime

Tax Due Diligence Checklist

Lenders providing project finance Nigeria facilities should update their standard tax due diligence Nigeria questionnaires to capture NTA-specific exposures. At a minimum, the refreshed checklist should cover:

• Transitional exposures. Are there open assessments or disputes under the repealed PPTA, CITA or VAT Act that could crystallise post-closing?
• VAT recovery positions. Has the borrower correctly classified input VAT on construction-phase procurement under the new Modification Order?
• Transfer-pricing compliance. The NTA consolidates transfer-pricing rules, confirm the borrower’s documentation is NTA-compliant.
• Incentive eligibility. If the borrower is relying on gas-production credits to support cash-flow projections, verify that the application has been made and the certificate issued.

Lender Covenants and Representations to Add or Update

Financial covenants calibrated to pre-NTA tax assumptions may produce misleading DSCR and LLCR ratios. Lenders should require a re-baselining of the financial model before the next compliance certificate is delivered, and should consider adding a specific tax-compliance covenant requiring the borrower to:

• Maintain current status with FIRS and all relevant state tax authorities.
• Promptly notify the lender of any tax audit, assessment or demand exceeding a materiality threshold.
• Not claim any tax incentive, credit or exemption without prior written lender consent (to prevent unilateral changes to the tax profile assumed in the base case).

Reporting and Enforcement Triggers

Industry observers expect that FIRS will increase audit activity during the NTA’s first two years as it tests the new framework. Lenders should ensure that facility agreements include cross-default language tied to material tax liens, and that the information-undertakings clause obliges the borrower to share copies of all FIRS correspondence within a defined number of business days.

Suggested Covenant Language

Practical Steps for EPC Contractors and Supply Chain, Tax Reform Nigeria Oil Gas Procurement

Procurement and Import Compliance

EPC contractors and their supply chains bear the front-line operational impact of the import restrictions Nigeria has introduced. The following documents must be secured before or at shipment for all capital goods destined for oil and gas projects Nigeria or infrastructure project procurement:

• NCDMB compliance certificate, required for all equipment categories covered by Nigerian-content regulations.
• End-user certificate, confirming the goods are for a specified project and will not be diverted.
• Pre-arrival customs declaration, filed electronically at least 15 days before vessel arrival.
• HS code classification ruling, where any item is reclassified or falls near a duty-boundary threshold.
• VAT exemption certificate (where applicable), issued by FIRS under the VAT Modification Order categories.
• Insurance and title-transfer documentation, must align with the Incoterms selected and the customs clearance party.

Contract Drafting, Price Adjustments, Tax Gross-Ups and Customs Delays

EPC contractors negotiating or renegotiating contracts should insist on clear allocation of the following risks:

• Who bears new or increased duties and VAT? If the contract was priced under the old regime, the contractor should seek a tax-change adjustment mechanism or a specific gross-up clause.
• Who bears customs-delay risk? Port delays caused by documentation shortfalls should be allocated to the party responsible for securing the relevant permits. Liquidated-damages carve-outs for customs-authority delays are now a standard negotiation point.
• Title and risk transfer. Ensure the EPC contract clearly states at which point title and risk in goods passes, and how this interacts with customs-bonding and insurance obligations.

Operational Compliance, Withholding Tax and PAYE

Contractors seconding expatriate staff to Nigerian project sites should review withholding-tax obligations on service fees and PAYE treatment of seconded employees under the NTA. The Act consolidates and, in some cases, increases withholding-tax rates on technical and management service fees paid to non-resident entities. EPC contractors should build these costs into their mobilisation budgets and confirm that their sub-contractors have obtained Tax Identification Numbers (TINs) from FIRS.

Sample Contract Clauses and Drafting Checklist

Note: The following clauses are practitioner drafts provided for negotiation purposes only. They must be tailored to each transaction’s specific terms and reviewed by qualified Nigerian counsel.

Tax Indemnity Clause

“The Sponsor shall indemnify and hold harmless the Contractor against any Tax (as defined) arising directly from or in connection with a Change in Tax Law occurring after the Effective Date, including but not limited to any increase in hydrocarbon tax, value added tax or import duty imposed under the Nigeria Tax Act 2025 or any subordinate legislation, regulation or order made thereunder. The indemnity shall survive termination of this Agreement for a period of [●] years and shall be subject to an aggregate cap of [●].”

Lender-Friendly Tax Covenant

“The Borrower represents and warrants that as at each Compliance Date it has: (a) filed all required tax returns with FIRS and all relevant state tax authorities; (b) paid all Taxes due and payable; and (c) no outstanding tax disputes, assessments or demands in excess of [●] Naira. The Borrower covenants that it shall not, without the prior written consent of the Facility Agent, apply for or claim any tax credit, incentive or exemption that would alter the tax assumptions set out in the Base Case Financial Model.”

Procurement and Customs Clause

“The Contractor shall be responsible for obtaining all import permits, customs classifications, NCDMB compliance certificates and VAT exemption certificates required for the importation of Equipment into Nigeria. In the event that any Equipment is delayed at port for more than [●] Business Days as a result of a failure by the Contractor to obtain such documentation, the Contractor shall bear all associated demurrage, storage and bonded-warehouse costs. In the event that delay results from a Change in Law or an act or omission of a Government Authority, such delay shall constitute a Compensation Event entitling the Contractor to an extension of time and, where applicable, additional cost recovery.”

Comparisons, Timelines and a Greenfield Gas Case Example

Mini-Case: Greenfield Gas Project Benefiting from New Credits

Consider a greenfield gas-processing project with a total capital expenditure of USD 500 million and first gas targeted for Q3 2027. Under the old regime, the project would have faced PPT at the applicable rate with limited capital allowances. Under the NTA’s incentive framework, the project may qualify for gas production tax credits that offset a defined percentage of hydrocarbon tax liability for the first five production years, plus enhanced capital allowances on gas-processing plant. Industry observers expect the combined effect could improve the project’s after-tax IRR meaningfully, provided the sponsor secures the incentive certificate from the Federal Ministry of Finance before first gas and meets the domestic-supply commitment threshold.

Sponsors modelling this scenario should run a parallel case with and without the credit to isolate the incentive’s contribution to bankability.

Conclusion and Next Steps

The 2026 tax reform Nigeria oil gas sector is now operating under represents the most consequential fiscal restructuring in the country’s energy history. Every project party, sponsor, lender, EPC contractor and foreign investor, faces new compliance obligations, altered economics and contract-level risk that must be actively managed rather than passively absorbed. The window for reactive adjustment is closing; proactive re-modelling, document amendment and procurement recalibration are now the baseline expectation of competent project management.

For sponsors evaluating structuring options, lenders refreshing covenant packages, or contractors renegotiating price-escalation mechanisms, specialist Nigerian commercial law counsel with deep energy-sector experience is essential. The Nigeria lawyer directory on Global Law Experts provides direct access to qualified practitioners who can deliver tailored, transaction-specific advice on every aspect of the reforms discussed in this guide.

Sources

1. Federal Ministry of Finance, Fiscal Incentives to Boost Nigeria’s Oil and Gas Sector
2. PwC Nigeria, Nigeria Tax Reform Insight Series: Sectoral Analysis
3. Olaniwun Ajayi LP, Taxation of Oil and Gas Companies in Nigeria
4. EY, Nigeria Enacts Tax Incentives to Encourage Development in Oil and Gas
5. IEA, Nigeria Tax Act 2025 Policy Review
6. ICLG, Oil and Gas Laws and Regulations: Nigeria