Nohena Insights · Policy & Tariffs
ECOWAS CET review impact on Nigerian import duties
The ongoing ECOWAS CET review will result in revised import duty rates for certain goods entering Nigeria starting in 2026. This analysis covers the rationale, potential impacts, and how to prepare.
Nohena · 27 September 2026 · 9 min read

Understanding the 2026 ECOWAS CET Review
The ongoing ECOWAS CET review will result in revised import duty rates for certain goods entering Nigeria starting in 2026, a move intended to align regional trade policy with industrial goals and the African Continental Free Trade Area (AfCFTA). This impending change requires importers and licensed customs agents to proactively analyze and prepare for shifts in their landed cost calculations for future shipments.
What is the ECOWAS Common External Tariff (CET)?
The ECOWAS Common External Tariff is a unified tariff schedule applied by all 15 member states to goods imported from outside the region, creating a customs union by ensuring that the same duty rate is paid irrespective of the port of entry within the bloc. Its primary purpose is to foster economic integration and establish a common market. The CET is based on a five-band tariff structure:
0% for essential social goods like medicines.
5% for essential commodities, raw materials, and capital goods.
10% for intermediate goods.
20% for final consumer goods.
35% for specific goods in protected sectors.
While the CET provides a common base duty, member states like Nigeria can apply additional national levies. These include a supplementary protection measure known as the Import Adjustment Tax (IAT) and other duties approved by the government. The tariff classification itself is granular, using a 10-digit Harmonized System (HS) code. The first six digits are globally standardized by the World Customs Organization (WCO), the seventh and eighth digits are specific to ECOWAS, and the final ninth and tenth digits are reserved for national distinctions within Nigeria.
The Rationale Behind the 2026 ECOWAS CET Review
The 2026 ECOWAS CET review is driven by the need to adapt to the AfCFTA, address national industrial policy objectives, and respond to global economic shifts that have occurred since the last major update. The current CET, which covers the 2022-2026 period, is approaching its scheduled conclusion, prompting a comprehensive re-evaluation by regional and national authorities.
Key drivers for the review include:
Alignment with AfCFTA: The CET must be harmonized with the AfCFTA's objective of creating a single continental market. This involves potentially reducing external tariffs on goods where other African nations have a competitive advantage, encouraging intra-African trade. The success of this integration depends on clear rules of origin, which for AfCFTA generally require a regional value content threshold of around 40%.
National Industrial Goals: Member states, including Nigeria, use the review process to advocate for tariff adjustments that protect nascent domestic industries or reduce the cost of strategic raw materials for local manufacturing. The review provides an opportunity to formalize certain national protection measures, like the IAT, into the regional tariff book or argue for new ones.
Response to Global Economic Realities: The period since the last review has seen significant supply chain disruptions, commodity price volatility, and heightened concerns around food and energy security. The review process allows member states to recalibrate tariffs to address these challenges, for example, by lowering duties on critical inputs or essential consumer items.
The review itself is a formal process managed by the ECOWAS Commission, involving technical committees and representatives from the ministries of finance, trade, and industry of all member states. These bodies analyze trade data, national priorities, and stakeholder feedback to negotiate the next five-year tariff schedule.
Potential Impacts on Nigerian Import Duties and Landed Costs
The ECOWAS CET review will likely alter the base customs duty for specific HS codes, which directly impacts the calculation of landed costs for Nigerian importers by changing the foundation upon which other taxes and levies are calculated. Even a seemingly small adjustment to a base duty rate can have a significant cascading effect on the final amount payable to clear goods.
The total cost of clearing a consignment in Nigeria is composed of several elements, many of which are calculated based on the import duty itself. A typical landed cost structure includes:
CIF Value: The Cost, Insurance, and Freight value of the goods.
Import Duty: Calculated as a percentage of the CIF value, based on the CET.
Port Surcharge: 7% of the Import Duty.
ECOWAS Trade Liberalization Scheme (ETLS) Levy: 0.5% of the CIF value, applicable to goods from non-ECOWAS countries.
Comprehensive Import Supervision Scheme (CISS): 1% of the Free on Board (FOB) value of the goods.
Value Added Tax (VAT): Currently 7.5%, calculated on the sum of the CIF value and all the preceding duties and levies.
To illustrate the impact of a potential CET change, consider the following simplified scenario where a duty rate is increased from 10% to 20%.
In this example, a 10-percentage-point increase in the base duty leads to a 58% increase in the total taxes and levies payable. This demonstrates why careful monitoring of the CET review is essential for budgeting and pricing strategies.
How to Prepare for the 2026 Tariff Changes
Importers and agents should prepare for the 2026 tariff changes by actively monitoring ECOWAS communications, re-evaluating sourcing strategies, and modeling potential cost impacts on their most frequently imported goods. Complacency is a significant risk; waiting until the new tariffs are gazetted is too late to adapt effectively.
A structured approach to preparation should include the following steps:
Monitor Official Sources: Stay informed by regularly checking for updates from the ECOWAS Commission, Nigeria's Federal Ministry of Finance, Budget and National Planning, and the Nigeria Customs Service (NCS). These are the primary sources for formal announcements.
Audit Your HS Code Usage: The precision of your tariff classification is paramount. A change in the CET could make a previously optimal HS code significantly more expensive. Review your product master data to ensure every item is classified with defensible accuracy.
Conduct Scenario Modeling: Use historical import data to model how potential duty changes would affect your landed costs. Analyzing the impact of a 5%, 10%, or 20% duty adjustment on your top 20 most imported products can provide valuable foresight for financial planning. Nohena prepares a lodgement-ready declaration and document pack, allowing agents to model these scenarios with precision before committing to a lodgement.
Review Sourcing Strategies: If external tariffs on key products are expected to rise, investigate alternative sourcing from within the AfCFTA trading bloc. Goods that meet the AfCFTA rules of origin may offer a more cost-effective alternative.
Engage with Industry Associations: Trade groups, chambers of commerce, and manufacturing associations often participate in stakeholder consultations during the CET review. They provide a channel for businesses to voice concerns and gain early insights into proposed changes.
Deepen Your Knowledge Base: The customs and tariff landscape is in constant evolution. For further analysis on navigating regulatory complexities, you can explore our full library of insights for practitioners .
The Broader Context: Fiscal Policy and Trade Barriers
The CET review is a critical instrument of fiscal policy that can either lower or raise trade barriers, reflecting a constant negotiation between revenue generation, industrial protection, and consumer welfare. The final tariff book is a product of these competing priorities. On one hand, tariffs are a vital source of non-oil revenue for the government. On the other, they directly influence the cost of living and the competitiveness of local industries.
It is also important to remember that tariffs are only one form of trade barrier. Even if a tariff is lowered, importers must still navigate a complex web of non-tariff barriers (NTBs). These include procedural and documentation requirements such as obtaining the Form M and Pre-Arrival Assessment Report (PAAR), complying with standards from the Standards Organisation of Nigeria (SONCAP) or the National Agency for Food and Drug Administration and Control (NAFDAC), and navigating port logistics. A reduction in duty does not automatically mean faster or cheaper clearance if these NTBs remain cumbersome.
Ultimately, the CET review is a balancing act. It seeks to create a predictable and harmonized trade environment while allowing member states the flexibility to pursue national economic objectives. Foresight into how a customs risk engine will interpret a declaration is crucial for navigating this environment effectively. Nohena provides decision support that helps licensed agents prepare compliant declarations that account for both tariff and non-tariff complexities.
The upcoming changes are not a matter of if, but when and to what degree. Proactive analysis and preparation are the hallmarks of a resilient import operation. By monitoring developments and modeling their potential impact, you can position your business to navigate the new tariff landscape of 2026 and beyond.
Nohena prepares; the licensed agent lodges.
FAQ
When will the new ECOWAS CET take effect?
The current ECOWAS CET is scheduled to expire at the end of 2026. The new tariff regime, once finalized and adopted by the ECOWAS Council of Ministers, is expected to be implemented by member states starting from January 2027.
Will all import duties in Nigeria change?
No, it is unlikely that all import duties will change. The review process is targeted, meaning adjustments will be focused on specific goods and HS codes that are identified as strategic priorities for industrial policy, revenue, or alignment with AfCFTA. Many tariff lines will likely remain unchanged.
How does the CET review relate to Nigeria's Import Adjustment Tax (IAT)?
The Import Adjustment Tax (IAT) is a supplementary tariff Nigeria applies to certain goods to provide protection beyond the level offered by the common CET. During the review, Nigeria may advocate to have some of its IATs incorporated into the main CET or, conversely, may introduce new IATs on goods where the negotiated CET rate is deemed insufficient for its national objectives.
Can I have input into the ECOWAS CET review process?
Direct input from individual businesses into the ECOWAS-level negotiations is uncommon. However, importers and businesses can provide feedback and position papers to national industry bodies like the Manufacturers Association of Nigeria (MAN), chambers of commerce, and other trade associations. These organizations consolidate feedback from their members for submission to the government committees representing Nigeria in the regional consultations.