Nohena Insights · Classification
Key changes in the ECOWAS CET 2022-2026 for importers
The ECOWAS CET for 2022-2026 primarily changes Nigerian tariffs by introducing a new, fifth tariff band of 35 percent on certain finished goods, supplementing the existing four bands of 0, 5, 10, and 20 percent.
Nohena · 24 October 2026 · 7 min read

How the 2022-2026 ECOWAS CET changes Nigerian tariffs
The ECOWAS Common External Tariff (CET) for 2022-2026 primarily changes Nigerian tariffs by introducing a new, fifth tariff band of 35 percent on certain finished goods, which supplements the existing four bands of 0, 5, 10, and 20 percent. This adjustment, implemented in Nigeria through the Nigeria Customs Service, aims to protect and encourage local manufacturing by making specific imported consumer products more expensive, thereby shifting the landed cost calculation for many importers.
The CET is a cornerstone of the Economic Community of West African States' customs union. It harmonises import duties across member states for goods originating from outside the region. The tariff is reviewed every five years to align with evolving regional economic objectives and global trade dynamics. The 2022-2026 version represents the latest iteration of this regional trade policy, and its adoption has direct consequences for anyone involved in the import value chain, from shippers to licensed agents and final consumers. Understanding these changes is not merely an academic exercise; it is fundamental to accurate duty calculation, compliant declarations, and predictable clearance outcomes. For more analysis on trade compliance, you can explore our additional insights .
What is the ECOWAS CET?
The ECOWAS Common External Tariff is a unified duty rate schedule applied to goods imported into any of the 15 ECOWAS member states from a non-member country. At its core, the CET is designed to create a single economic market, eliminating internal trade barriers and establishing a common customs frontier to the rest of the world. By standardising import duties, it simplifies cross-border trade within the region and strengthens the bloc's collective negotiating power in international trade.
The tariff structure is organised according to the Harmonized System (HS) of nomenclature, a global standard for classifying traded goods. The structure is built on five distinct tariff bands, each corresponding to a specific category of product:
0% (Essential Social Goods): This band covers goods deemed essential for social welfare, such as medicines, educational materials, and certain basic necessities.
5% (Raw Materials and Capital Goods): This rate applies to raw materials and machinery intended for local industries, designed to lower production costs and encourage industrialisation.
10% (Intermediate Goods): This band is for goods that have undergone some processing but require further manufacturing before they are ready for final consumption.
20% (Finished Goods): This is the standard rate for most finished goods not produced in sufficient quantities within the region.
35% (Specific Finished Goods): This new, higher band targets finished goods for which the region seeks to develop local production capacity.
In Nigeria, the HS code used for declarations is a 10-digit number. The first six digits are dictated by the World Customs Organization (WCO), the next two are determined by the ECOWAS CET, and the final two digits are for national use, allowing the Nigeria Customs Service (NCS) to create specific classifications for implementing national trade policies, levies, or prohibitions.
Key changes in the 2022-2026 ECOWAS CET
The most significant change in the 2022-2026 ECOWAS CET is the formal introduction of the 35 percent tariff band for specific finished goods to provide an extra layer of protection for local industries. Previously, Nigeria's tariff schedule consisted of the four primary CET bands, with additional national levies sometimes applied to achieve a similar protective effect. The new CET formalises this higher rate within the regional tariff structure itself. This change affects over 150 tariff lines, spanning sectors from automotive to textiles.
The rationale behind this five-band structure is to create a clearer incentive for backward integration. By maintaining low duties on raw materials and capital goods while increasing the cost of importing certain finished products, the policy directly supports manufacturers who source inputs for local production.
Comparison of tariff structures
The table below illustrates the evolution of the tariff bands and their intended economic purpose.
Supplementary protection measures
Alongside the CET rates, importers must also account for other duties and levies that contribute to the final payable amount. These are not part of the CET but are applied nationally by the NCS. They include:
Value Added Tax (VAT): Currently set at 7.5% on the CIF value plus all other duties and charges.
ECOWAS Trade Liberalization Scheme (ETLS) Levy: A 0.5% charge on the CIF value of goods imported from non-ECOWAS countries.
Surcharge: A 7% port development levy calculated on the customs duty.
These supplementary charges, when combined with the base CET rate, determine the effective rate of duty and the total landed cost of an imported item. The introduction of the 35% band, therefore, has a compounding effect on the final cost.
Navigating compliance with the updated tariff
Accurate HS code classification is the most critical factor for ensuring compliance with the updated CET and avoiding the risk of customs queries, delays, and value uplifts. An incorrect classification, even if unintentional, can lead to the application of the wrong duty rate, resulting in a flawed Pre-Arrival Assessment Report (PAAR) and significant friction during the clearance process. The NCS risk management system is designed to flag discrepancies between the declared HS code and the goods' description, value, and origin.
For licensed agents and their principals, adapting to the new tariff requires a meticulous approach to declaration preparation. The following steps are essential:
Consult the official tariff book. Always use the latest version of the Nigerian customs tariff, which incorporates the 2022-2026 CET. Relying on outdated schedules or third-party databases that have not been updated is a common source of error.
Apply the General Interpretative Rules (GIRs). Correct classification is not a matter of opinion; it is a systematic process governed by the six GIRs. This requires a deep understanding of the product's composition, form, and function to place it correctly within the HS nomenclature.
Recalculate landed costs. Importers need to be advised on how the new tariff rates affect their business. A product previously attracting a 20% duty may now fall under the 35% band, fundamentally altering its market competitiveness and profitability.
Ensure document consistency. All shipping and commercial documents, including the bill of lading, commercial invoice, packing list, and Form M, must be perfectly consistent. Any contradiction in the description or classification of goods creates a red flag for customs officials.
The shift to the 2022-2026 CET underscores the importance of precision in customs brokerage. With higher stakes on certain tariff lines, the tolerance for error is lower than ever. Decision support systems that help analyse and verify declarations against the new tariff structure can provide a crucial layer of foresight. Nohena prepares a lodgement-ready declaration and document pack that helps agents see the consignment the way a customs risk engine will, before the declaration is lodged by the licensed agent.
FAQ
What is the ECOWAS CET?
The ECOWAS Common External Tariff (CET) is a single, unified tariff schedule for goods imported into the 15-member Economic Community of West African States from outside the region. It harmonises duty rates to create a customs union, with five bands: 0%, 5%, 10%, 20%, and 35%.
How often is the ECOWAS CET reviewed?
The ECOWAS CET is reviewed every five years. This allows member states to adjust the tariff structure to reflect regional economic priorities, industrial strategies, and changes in global trade patterns. The current version is effective from 2022 to 2026.
Does the new CET replace Nigeria's import prohibition list?
No, the ECOWAS CET does not replace Nigeria's national import prohibition list (trade). The CET governs the applicable duty rates for permissible imports. Items on the prohibition list cannot be legally imported, regardless of any tariff classification.
How do I find the correct duty rate for my product under the new CET?
The correct duty rate is determined by the product's Harmonized System (HS) code. You must consult the latest official Nigerian customs tariff, which incorporates the 2022-2026 CET, to find the specific 10-digit HS code for your goods. The rate associated with that code is the applicable CET duty.
What happens if I use an old HS code on my declaration?
Using an old or incorrect HS code will likely lead to a query from the Nigeria Customs Service during the PAAR or clearance process. This can result in the re-classification of your goods, the application of a different (often higher) duty rate, financial penalties, and significant delays in clearing your consignment.