Nohena Insights · Compliance
How accurate pre-lodgement checks prevent a PAAR uplift
Accurate pre-lodgement checks prevent a PAAR uplift by ensuring the customs value, HS code, and origin declared on the SGD are correct and verifiable, reducing the risk of a customs query.
Nohena · 19 October 2026 · 10 min read
How accurate pre-lodgement checks prevent a PAAR uplift
Accurate pre-lodgement checks prevent a PAAR uplift by ensuring the customs value, HS code, and origin declared on the Single Goods Declaration (SGD) are correct and verifiable. This rigorous validation minimises the risk that the Nigeria Customs Service (NCS) will issue a customs query or adjust the declared value upwards, which helps avoid costly delays and additional tax liabilities.
What is a PAAR uplift and why does it happen?
A PAAR uplift is an adjustment made by the Nigeria Customs Service to the customs value of an imported good when the declared value is deemed too low, leading to an increase in payable duties and taxes. The Pre-Arrival Assessment Report (PAAR) is a foundational control document in Nigerian trade, generated by the NCS PAAR Ruling Centre. It represents the service's official opinion on the shipment's tariff classification and customs value before the goods are even cleared. An uplift occurs when the value declared by the importer on their Form M and supporting documents does not align with the NCS's valuation benchmarks, which are derived from historical data, international price databases, and other sources available through systems like the B'Odogwu platform.
The core reasons for a PAAR uplift include:
Under-invoicing. This is the most common reason. Customs may suspect that the declared value on the commercial invoice is artificially low to reduce the final duty and VAT payment.
Valuation database discrepancy. The NCS maintains extensive databases of values for various goods from different origins. If the declared value falls significantly below the established benchmark for a similar item, it is automatically flagged for review and potential uplift.
Incorrect application of valuation methods. While the WTO Valuation Agreement prioritises the transaction value (the price actually paid or payable), customs may resort to alternative methods if the transaction value cannot be verified or is deemed unreliable. This can lead to a higher assessed value.
Related-party transactions. If the buyer and seller are related entities, customs may scrutinise the transaction to ensure the relationship did not influence the price. If it did, the transaction value may be rejected, and an alternative valuation method applied, often resulting in an uplift.
The core components of a pre-lodgement check
A comprehensive pre-lodgement check scrutinises three critical declaration elements: customs valuation, HS code classification, and rules of origin. A weakness in any one of these areas can trigger a customs query and lead to a PAAR uplift or other penalties. An effective pre-lodgement process validates each component against source documents and regulatory requirements before the declaration is prepared for submission.
Verifying customs valuation
Customs valuation is the bedrock of a duty calculation. The dutiable value is the base upon which duties, levies, and VAT are calculated. According to the World Trade Organization's agreement on valuation, the primary basis for customs value should be the 'transaction value', which is the price actually paid or payable for the goods when sold for export. However, this value can be adjusted under Article 8 to include certain costs incurred by the buyer but not included in the price, such as commissions, assists (materials or services provided free of charge), and royalties.
A pre-lodgement check must confirm that:
The value is defensible. The commercial invoice must be authentic and reflect the true payment between buyer and seller. Any discounts must be commercially justifiable.
Incoterms are correctly handled. Nigeria's customs valuation is based on the CIF (Cost, Insurance, and Freight) value. If goods are purchased under other terms, like FOB (Free On Board), the costs of freight and insurance must be accurately added. If insurance is not explicitly declared, customs will apply a default rate of 1.5% of the FOB value.
All costs are included. Any payments related to the import, even if not on the main commercial invoice, may need to be included in the customs value. This prevents unbundling costs to artificially lower the declared value.
Ensuring correct HS code classification
The Harmonized System (HS) code determines the rate of duty applied to a product. An incorrect classification is a major compliance risk that can lead to significant financial penalties. Nigeria uses a 10-digit HS code based on the ECOWAS Common External Tariff (CET), which provides a high degree of specificity. The first six digits are globally harmonised, while the subsequent digits are for regional and national distinctions.
Pre-lodgement checks for classification should involve:
Applying the General Interpretative Rules (GIRs). These six rules govern HS classification globally. A defensible classification is one that can be justified using the GIRs, starting with Rule 1, which states that classification is determined by the terms of the headings and any relative section or chapter notes.
Ensuring maximum specificity. The chosen HS code should describe the product as precisely as possible. Classifying a complex product under a general or 'other' category when a more specific code exists is a red flag.
Maintaining consistency. The product description on the commercial invoice, packing list, Form M, and SGD must all align with the chosen HS code. Inconsistent descriptions invite scrutiny.
Documenting rules of origin
The origin of a product determines its eligibility for preferential treatment under various trade agreements. An incorrect origin claim can result in the denial of benefits and the application of full duties, which functions as an effective uplift. Key agreements for Nigerian importers include the ECOWAS Trade Liberalization Scheme (ETLS), which reduces the ECOWAS levy to 0.5% for qualifying goods, and the African Continental Free Trade Area (AfCFTA), which aims to eliminate duties on most goods traded within Africa.
To claim preferential treatment, a pre-lodgement check must verify:
A valid Certificate of Origin is present. The certificate must be correctly issued by the designated authority in the exporting country.
The goods meet the origin criteria. This often involves rules around 'wholly obtained' products or 'substantial transformation'. For AfCFTA, this may require meeting a regional value content (RVC) threshold, which is often around 40% of the ex-works price of the product.
The goods were shipped directly. Most trade agreements have rules requiring direct consignment from the country of origin to the destination country to ensure the goods were not manipulated en route.
The financial consequences of a PAAR uplift
The direct financial impact of a PAAR uplift is the increased customs duty and tax liability, but this is often compounded by significant indirect costs like customs queries, demurrage, and storage charges. These secondary costs can quickly escalate, sometimes exceeding the value of the additional tax itself. The full financial fallout includes several layers of cost.
Increased tax liability. This is the most obvious cost. An uplift directly increases the dutiable value. For example, a 20% uplift on a shipment with a declared CIF value of NGN 20,000,000 adds NGN 4,000,000 to the dutiable base. If the duty rate is 10%, this means an additional NGN 400,000 in customs duty and a further NGN 30,000 in VAT (at 7.5%), plus increases on any other ad valorem levies.
Demurrage and storage charges. While a valuation query is being resolved, the container remains at the port. Shipping lines charge demurrage for the late return of their container, and terminal operators charge for storage space. These fees are charged daily and can accumulate into millions of naira over a period of weeks, destroying the profitability of a shipment.
Customs query resolution costs. Responding to a formal query requires time and resources. This may involve preparing detailed explanations, submitting additional evidence of value, and engaging in lengthy correspondence with the PAAR Ruling Centre or other customs units. This diverts staff from their primary duties.
Supply chain disruption. Delayed goods cannot be sold or used in production. This leads to lost sales, potential stockouts, and damage to customer relationships. For manufacturers, it can halt production lines, leading to significant operational losses.
Degraded compliance rating. Importers and agents with a history of uplifts and queries are often flagged as high-risk. This can lead to a higher likelihood of physical inspection and scrutiny on all future shipments, creating a cycle of delays and increased compliance costs.
A framework for improving declaration accuracy
Improving declaration accuracy requires a systematic approach that combines robust documentation, consistent internal processes, and the use of decision support tools for pre-lodgement validation. Rather than treating each shipment as a one-off event, importers and their agents should build a repeatable compliance framework. This approach helps ensure that every declaration is correct, complete, and defensible before it is exposed to customs risk systems.
A structured framework includes the following steps:
Establish a master data library. For all regularly imported products, maintain a central record containing the confirmed 10-digit HS code, a detailed product description, supporting classification rulings, valuation evidence, and specific origin requirements. This serves as a single source of truth for preparing trade documents.
Standardise documentation gathering. Before a Form M is initiated, use a checklist to ensure all necessary commercial and regulatory documents are available. This includes the proforma invoice, insurance certificate, and any permits or certificates from agencies like SONCAP or NAFDAC. All documents must be checked for internal consistency.
Conduct a structured pre-lodgement review. Before the SGD is prepared for lodgement, a final verification must occur. This is the critical step where data from the documents is cross-checked against regulatory rules. This review should flag potential risks related to valuation benchmarks, classification ambiguity, or incomplete origin documentation.
Document the valuation basis. Do not simply declare a value; be prepared to defend it. For every shipment, document how the CIF value was determined, especially how freight and insurance were calculated and how any adjustments under WTO Article 8 were treated. Keep proof of payment readily available.
Analyse post-clearance performance. Regularly review past shipments to identify the root causes of any customs queries, delays, or uplifts. Use this analysis to refine the master data library and improve the pre-lodgement review process. This creates a continuous improvement loop. For more analysis on Nigerian customs compliance, you can explore other articles in our insights section.
Nohena prepares a lodgement-ready declaration and document pack, giving agents foresight into how a risk engine will see the declaration before it is lodged. Our platform is designed to support, not replace, the expertise of licensed agents. Learn more about our decision support capabilities .
FAQ
What is the difference between a PAAR and an SGD?
The Pre-Arrival Assessment Report (PAAR) is a document issued by the NCS that provides an advisory opinion on the valuation, classification, and risk profile of an import before it arrives. The Single Goods Declaration (SGD) is the formal declaration lodged by the licensed customs agent, which may or may not align with the PAAR. A discrepancy often triggers a customs query.
Can I contest a PAAR uplift?
Yes, an importer or their agent can contest a valuation uplift. This typically involves providing further evidence to support the originally declared transaction value, such as proof of payment, contracts, and correspondence with the seller. The process can be time-consuming and does not stop demurrage from accruing while the dispute is active.
How do Incoterms affect my customs valuation?
Incoterms define the responsibilities of the buyer and seller, including the point at which costs and risks transfer. Customs valuation in Nigeria is based on the CIF (Cost, Insurance, and Freight) value. If your transaction uses a different Incoterm like FOB (Free On Board), you must correctly add the cost of freight and insurance to arrive at the correct dutiable value. An incorrect calculation is a common source of uplifts.
Does using a customs agent guarantee no PAAR uplift?
No, using a licensed customs agent does not guarantee avoidance of a PAAR uplift. The agent relies on the accuracy and completeness of the documents provided by the importer. The ultimate responsibility for providing correct information lies with the importer, and uplifts occur when customs questions the validity of that information, regardless of who lodges the declaration.