Customs Valuation and Duty Determination

Introduction and Context

Customs valuation is the process of establishing the customs value of imported goods for purposes of calculating ad valorem customs duties and, in many jurisdictions, import taxes, statistical values, trade remedies, and risk indicators. It is therefore more than an accounting exercise. It affects landed cost, transfer-pricing documentation, supply-chain design, customs compliance, related-party governance, and the reliability of international trade statistics.

The central international framework is the WTO Agreement on Implementation of Article VII of the General Agreement on Tariffs and Trade 1994, commonly called the WTO Customs Valuation Agreement. Its objective is to prevent arbitrary or fictitious customs values while permitting customs administrations to verify that declared values are genuine and complete. The Agreement establishes a sequential hierarchy of valuation methods. The transaction value is the primary method, but it is not automatically available in every importation.

A multinational enterprise must distinguish three related but legally different questions:

1. What price was paid or is payable for the imported goods?
2. What additions or deductions are required to determine customs value?
3. What tariff classification, duty rate, origin rule, and tax base apply?

A correct commercial invoice does not by itself answer all three questions. Customs value, tariff classification, origin, and tax treatment must be analyzed together.

Learning Objectives

By the end of this chapter, the reader should be able to:

• Explain the structure and sequence of WTO customs valuation methods.
• Determine when transaction value may be used.
• Identify additions such as assists, royalties, licence fees, commissions, packing, and transport costs.
• Analyze related-party transactions and the relationship between transfer pricing and customs valuation.
• Calculate customs duty, import taxes, and landed cost under stated assumptions.
• Evaluate documentation, governance, technology, and audit risks in valuation decisions.
• Apply valuation principles to a complex international-business case.

1. The Architecture of WTO Valuation

1.1 The sequential methods

The WTO framework uses the following methods in order:

Methods 2 and 3 are normally applied only after the preceding method has been rejected. Methods 4 and 5 may generally be reversed at the request of the importer, subject to national implementation rules. The fall-back method cannot be based on arbitrary or fictitious values.

The valuation date, currency conversion rule, evidence requirements, and treatment of domestic taxes are governed partly by national customs legislation. The WTO Agreement supplies the international framework, but importers must consult the law and administrative practice of the destination country.

1.2 Prohibited bases of valuation

Customs value must not be based on:

• The selling price of domestic goods in the importing country.
• The higher of two alternative values.
• The price of goods in the exporting country’s domestic market.
• A price for export to a country other than the importing country.
• Arbitrary or fictitious values.
• Minimum values imposed without a legally valid framework.

The prohibition is economically important: customs valuation should measure the value of the imported goods under the agreed rules, not provide an informal mechanism for protecting domestic producers or generating unpredictable revenue.

2. Transaction Value: The Primary Method

Transaction value is generally the price actually paid or payable for goods when sold for export to the country of importation, adjusted in accordance with the valuation rules. It is the preferred method because it is anchored in the commercial transaction rather than in an administrative estimate.

A simplified representation is:

Where:

• CV = customs value;
• P = price actually paid or payable;
• A = additions required by the applicable valuation rules;
• D = permitted deductions, when separately identified and legally deductible.

The formula is a decision model, not a substitute for legislation. Each component must be tested against the facts and the importing country’s rules.

2.1 Price actually paid or payable

The price actually paid or payable includes the total payment made or to be made by the buyer to, or for the benefit of, the seller for the imported goods. It can include direct payments, such as a bank transfer, and indirect payments, such as the settlement of a seller’s obligation by the buyer.

The price may be affected by:

• Discounts;
• Rebates;
• Royalties and licence arrangements;
• Selling commissions;
• Assists supplied by the buyer;
• Proceeds subsequently accruing to the seller; and
• Transfer-pricing adjustments.

A discount is not automatically excluded merely because it is retrospective or because the importer is related to the seller. The key issues are whether the discount is genuine, whether it relates to the imported goods, whether it is available under the relevant sales arrangement, and whether customs can verify it.

2.2 Conditions for accepting transaction value

Transaction value may be rejected or require further analysis when:

1. There are restrictions on the buyer’s disposition or use of the goods, other than permitted restrictions;
2. The sale or price is subject to a condition or consideration for which a value cannot be determined;
3. Part of the proceeds of a subsequent resale, disposal, or use accrues directly or indirectly to the seller and cannot be appropriately adjusted; or
4. The buyer and seller are related and the relationship influenced the price.

A related-party relationship does not automatically disqualify transaction value. Customs must examine whether the relationship influenced the price, using the relevant tests and evidence.

3. Related Parties and Transfer Pricing

3.1 Related-party tests

WTO valuation rules identify circumstances in which buyers and sellers are treated as related. Examples include officers or directors of one another’s businesses, legal partners, employer and employee relationships, common ownership or control, direct or indirect control by a third person, or family relationships.

The analysis is distinct from the broader concept of “related parties” in accounting, corporate law, and income-tax rules. A company may be related for financial-reporting purposes but still be able to use transaction value if the relationship did not influence the price. Conversely, a non-obvious control arrangement may create a customs relationship requiring disclosure.

Two common approaches help demonstrate that the relationship did not influence price:

• Circumstances-of-sale test: examination of the way the buyer and seller organized the transaction, including pricing practices, industry norms, and whether the price approximates the seller’s prices to unrelated buyers.
• Test-value approach: comparison with accepted values for identical or similar goods imported at or about the same time. A test value is evidence, not necessarily an automatic substitute for the declared value.

3.2 Transfer pricing and customs valuation

Transfer pricing determines an arm’s-length result for income-tax purposes. Customs valuation determines the value of imported goods for border purposes. Both may examine related-party pricing, but they serve different legal objectives and may use different methods, comparables, adjustments, and timing conventions.

A transfer-pricing study can support a customs position, but it does not bind customs automatically. For example, a tax authority may accept a year-end adjustment designed to give a distributor an arm’s-length operating margin, while customs may need to determine whether the adjustment increases or decreases the price actually paid for imported goods and whether it is sufficiently documented and legally adjustable.

A robust governance process should therefore:

• Map all intercompany flows and contractual terms.
• Identify whether year-end true-ups affect imported goods.
• Define upward and downward adjustment procedures.
• Reconcile purchase ledgers, customs declarations, and transfer-pricing records.
• Obtain advance rulings or bilateral arrangements where available.
• Maintain a documented position explaining why the relationship did or did not influence price.

An important managerial insight is that tax optimization and customs optimization cannot be pursued independently. An arrangement that reduces customs value may increase income-tax profit in the importing country, while an arrangement that increases customs value may produce the opposite result. Total tax cost, compliance risk, cash flow, and audit exposure should be evaluated together.

4. Required Additions and Adjustments

4.1 Commissions and brokerage

Buying commissions paid by the importer to its own buying agent may generally be treated differently from selling commissions paid to the seller or for the seller’s benefit. Selling commissions and brokerage connected with the sale for export are commonly dutiable. Buying commissions may be excluded where their nature is established and the relevant conditions are satisfied.

The contract, agency agreement, invoices, payment records, and actual functions of the intermediary should be consistent. Calling an intermediary a “buying agent” does not determine the legal result.

4.2 Packing and containers

The cost of packing, including labour and materials, is generally included when it is incurred by the buyer or otherwise not already included in the price. Containers that are treated as one unit with the goods for customs purposes may also be included. Reusable transport equipment may require separate treatment under national rules.

4.3 Assists

An assist is a good or service supplied directly or indirectly by the buyer, free of charge or at reduced cost, for use in connection with the production or sale for export of the imported goods. Common assists include:

• Materials, components, or parts incorporated in the imported goods;
• Tools, dies, moulds, and similar items used in production;
• Materials consumed in production; and
• Engineering, development, artwork, design work, plans, and sketches undertaken outside the importing country and necessary for production.

The value of an assist must be allocated reasonably to the imported goods. A practical allocation model is:

The formula applies only when the numerator and denominator are defined consistently. “Prior allocations” represents amounts already allocated to earlier imports, while “expected dutiable units” represents the defensible quantity to which the remaining value relates.

The assist value may be based on the buyer’s acquisition cost, production cost, or another permitted valuation basis, adjusted for transportation and related expenses where required. The allocation should reflect the facts: units imported, production batches, expected output, useful life, or another commercially reasonable measure.

4.4 Royalties and licence fees

A royalty or licence fee is added when it relates to the imported goods and is paid, directly or indirectly, as a condition of sale of those goods. Both elements generally matter. A payment for intellectual property is not automatically dutiable merely because it is called a royalty.

Relevant questions include:

• What intellectual property does the payment cover?
• Does it relate to the imported goods, post-importation manufacturing, or domestic resale?
• Must the buyer pay it in order to purchase the goods?
• Is the seller or an entity related to the seller involved in receiving or controlling the payment?
• Can the payment be apportioned between dutiable and non-dutiable elements?

Patent, trademark, copyright, technology, and franchise payments can produce different results depending on their contractual and commercial connection with the imported goods. The importer should maintain licence agreements, purchase contracts, royalty calculations, and evidence of how the payment was allocated.

4.5 Proceeds accruing to the seller

If the seller receives part of the proceeds from the buyer’s subsequent resale, disposal, or use of the imported goods, that amount may need to be added to customs value. Examples include a contractual percentage of resale revenue or a payment linked to downstream sales. The importer should identify such arrangements during contract review rather than waiting for a customs audit.

4.6 Freight, insurance, and loading costs

The WTO Agreement permits specified additions to be included where they are not already included in the price. Whether freight, insurance, loading, and handling costs are included in customs value depends on the valuation point and national rules. Many systems use a value comparable to cost, insurance, and freight to the port or place of importation, while others apply different statutory bases.

Incoterms® clarify allocation of commercial costs and risk between buyer and seller, but they do not by themselves determine customs value. For example, a CIF price may already include freight and insurance, whereas an EXW price may require additions. The customs analysis must identify what the invoice price contains and what the law requires.

5. Alternative Valuation Methods

5.1 Identical goods

Identical goods are goods that are the same in all respects, including physical characteristics, quality, and reputation, subject only to minor differences in appearance. They should generally be produced in the same country and exported to the same importing country. If more than one acceptable value exists, the lowest value is normally used under the Agreement.

5.2 Similar goods

Similar goods are not alike in all respects but have like characteristics and like component materials, perform the same functions, and are commercially interchangeable. Quality, reputation, and trademark status may be relevant.

The importer and customs authority must consider comparability in time, quantity, commercial level, transport, and market conditions. A superficially similar product may not be a reliable comparator if it serves a different market segment.

5.3 Deductive value

Deductive value starts with the unit price at which the imported goods, or identical or similar goods, are sold in the importing country to unrelated buyers in the greatest aggregate quantity. It deducts commissions or profit and general expenses, domestic transport and insurance, customs duties and taxes, and certain value added by processing, as permitted by the rules.

This method is particularly dependent on reliable domestic sales records. It is unsuitable when the goods are not sold in the required condition or when the importer cannot substantiate the deductions.

5.4 Computed value

Computed value is constructed from:

• The cost or value of materials and fabrication;
• An amount for profit and general expenses consistent with producers in the exporting country;
• Packing costs; and
• Other specified expenses.

It can be difficult to apply because it requires access to producer records and commercially sensitive cost information. It may nevertheless be useful for controlled manufacturing arrangements or distinctive goods for which reliable market comparators do not exist.

5.5 Fall-back method

The fall-back method applies reasonable means consistent with the principles and general provisions of the WTO Agreement. It may adapt the earlier methods flexibly, but it cannot create an arbitrary value. The reasoning, evidence, and sequence should be documented carefully.

6. Duty, Import Tax, and Landed-Cost Calculations

Customs value is not the same as customs duty. Duty depends on the customs value and the tariff rate, while import VAT or other taxes may be calculated on a broader base.

For an ad valorem duty:

Where CV is customs value in the legally prescribed currency and r_d is the ad valorem duty rate expressed as a decimal.

If import VAT is assessed on customs value plus duty and specified additional costs:

Where B represents legally included additional amounts, such as excise duty, inland transport, or other charges, and r_v is the VAT rate expressed as a decimal. The exact base varies by jurisdiction.

A simplified landed-cost expression is:

Each term must be stated on the same basis and in the same currency. If a component is already included in CV, it must not be added again.

Worked example: valuation and landed cost

Assume the following illustrative facts for one shipment:

• Invoice price: $100,000;
• Dutiable assist: $8,000;
• Dutiable royalty: $4,000;
• Selling commission not included in the invoice: $2,000;
• Freight and insurance to the port: $6,000;
• Customs duty rate: 10%;
• Import VAT rate: 20%;
• VAT base includes customs value and duty but no additional amount;
• All amounts are in US dollars and no amount is duplicated.

The customs value is:

Duty is:

VAT is:

The border amount payable is $38,400, comprising $12,000 duty and $26,400 VAT. A simplified landed cost including the invoice price, additions, duty, and VAT is:

This is an illustrative calculation. In practice, VAT recoverability, domestic delivery, port charges, excise, withholding taxes, and accounting treatment may change the economic landed cost.

7. Applied Case: Meridian Appliances Ltd.

Background

Meridian Appliances Ltd., headquartered in Country A, imports smart kitchen appliances from its related manufacturing subsidiary in Country B. The goods are sold under a group trademark. Meridian pays the factory invoice, a 3% trademark royalty to a group intellectual-property company, and a separate engineering charge for product designs created in Country A. Meridian also supplies moulds to the factory without charge.

The customs declaration includes the factory invoice but excludes the royalty, moulds, and a 2% commission paid to a selling intermediary controlled by the manufacturing subsidiary. The group’s transfer-pricing policy applies a year-end adjustment intended to give Meridian a 4% operating margin.

Problem

The customs team must determine whether transaction value is available, which payments must be added, how the mould value should be allocated, and how the year-end adjustment should be handled.

Analysis

First, the buyer and seller are related, but that fact alone does not prohibit transaction value. Meridian should prepare a circumstances-of-sale analysis using comparable sales, pricing policies, and evidence that the factory applies consistent pricing to independent buyers or that the relationship did not influence the price.

Second, the trademark royalty requires analysis of relation and condition-of-sale tests. If the royalty is required to obtain the appliances and relates to the imported goods, it is a strong candidate for addition. If it relates solely to post-importation marketing or domestic use, the result may differ. The agreement must be examined rather than relying on the label “royalty.”

Third, the moulds are an assist because Meridian supplied them for production. Their value must be established and allocated over the relevant production or import quantities. The allocation should be supported by engineering records, procurement invoices, useful-life assumptions, and import schedules.

Fourth, the intermediary’s commission may be dutiable if it is a selling commission or payment made for the seller’s benefit. The actual functions and contractual relationships are decisive.

Fifth, the engineering charge may be dutiable if the work was undertaken outside the importing country and is necessary for production. If it concerns only domestic adaptation after importation, it may require different treatment. The place where the work was performed and its connection with production must be documented.

Finally, the year-end transfer-pricing adjustment must be mapped to specific imports. An upward adjustment may increase customs value if it represents additional consideration for the goods. A downward adjustment may not automatically generate a refund unless national law permits post-entry amendments and the importer can establish the amount and connection to particular declarations.

Approach and solution

Meridian should create a payment-and-function matrix identifying every payment connected with the goods. It should then:

1. Confirm the legal relationship and prepare a price-influence analysis.
2. Obtain a ruling or customs consultation on the royalty and assist where available.
3. Establish a defensible mould allocation methodology before importation.
4. Reclassify the intermediary payment based on actual agency functions.
5. Separate pre-import production engineering from post-import marketing or adaptation.
6. Implement a documented year-end adjustment protocol linked to customs entries.
7. Reconcile the final transfer-pricing result to customs declarations and seek lawful amendments where appropriate.

Outcome and learning points

The case demonstrates that customs valuation is a cross-functional process. Procurement, tax, legal, engineering, finance, logistics, and customs teams must work from the same contracts and data. A transfer-pricing file alone is insufficient, and an invoice alone may be incomplete. The most effective compliance design is preventive: identify dutiable elements when contracts are negotiated, not after an audit.

8. Compliance, Technology, and Governance

A valuation control framework should include ownership, documented procedures, review thresholds, and evidence retention. High-risk areas include related-party imports, royalties, free-of-charge materials, tooling, assists, rebates, retrospective adjustments, and unusual Incoterms.

Technology can improve control through:

• Automated comparison of purchase orders, invoices, declarations, and payments;
• Detection of unexplained differences between transfer-pricing and customs values;
• Rules identifying royalty-bearing products;
• Allocation engines for assists and tooling;
• Exception reporting for manual valuation overrides; and
• Machine-learning risk models that prioritize transactions for human review.

Artificial intelligence should support—not replace—legal judgment. Models may misclassify contracts, overlook jurisdiction-specific rules, or reproduce historical errors. Governance should require explainable rules, human approval for high-risk decisions, version-controlled data, access controls, and an audit trail.

Ethically, importers should avoid deliberately structuring contracts or invoices to conceal dutiable consideration. Misdeclaration can cause duty assessments, penalties, seizure, reputational damage, and potential criminal liability. Customs valuation also raises data-governance concerns because commercial invoices, technical designs, and intercompany agreements may contain confidential information.

9. Challenges and Contemporary Developments

Global business models increasingly involve platform sales, contract manufacturing, bundled software, digital services, royalties, and circular supply chains. These arrangements complicate the boundary between imported goods and non-goods elements. A connected appliance may contain embedded software, while its brand payment may be calculated on domestic sales. Customs authorities are therefore paying greater attention to contracts, data flows, and the economic substance of payments.

Other persistent challenges include:

• Divergent national rules on post-importation price adjustments;
• Inconsistent treatment of assists and engineering services;
• Difficulty obtaining producer cost data for computed value;
• Currency fluctuations between invoice and entry dates;
• Multiple intermediaries and opaque ownership structures;
• Differences between customs, VAT, and income-tax bases; and
• Balancing trade facilitation with revenue protection.

Best practice is to maintain a valuation policy by jurisdiction, conduct pre-entry classification and valuation reviews, use binding rulings when available, train non-customs personnel, and test the control system through periodic internal audits.

Chapter Summary

Customs valuation establishes the legal value of imported goods for duty and related border purposes. The WTO framework gives priority to transaction value, subject to conditions concerning restrictions, uncertain considerations, seller proceeds, and related-party influence. Where transaction value cannot be used, valuation proceeds sequentially through identical goods, similar goods, deductive value, computed value, and a fall-back method.

Transaction value is the price actually paid or payable plus required additions and less only permitted deductions. Important additions may include selling commissions, packing, assists, qualifying royalties and licence fees, proceeds accruing to the seller, and specified freight or insurance costs. Related-party status does not automatically invalidate transaction value, but the importer must demonstrate that the relationship did not influence price.

Transfer pricing and customs valuation overlap in their attention to intercompany pricing but have different legal purposes. Their interaction requires reconciliation of contracts, accounting records, customs declarations, and year-end adjustments. Duty is calculated by applying the tariff rate to customs value, while import VAT and landed cost depend on jurisdiction-specific tax bases and cost components. Effective compliance combines legal analysis, accurate allocation, documentation, technology, cross-functional governance, and ethical conduct.

Key Terms

Customs value: The legally determined value of imported goods used to calculate customs duty and related border measures.

Transaction value: The price actually paid or payable for goods sold for export, adjusted under applicable valuation rules.

Price actually paid or payable: The total direct and indirect payment made or to be made for imported goods.

Assist: A good or service supplied by the buyer free of charge or at reduced cost for production or export sale of imported goods.

Royalty: A payment for the use of intellectual property, potentially dutiable when related to imported goods and a condition of sale.

Licence fee: A payment for permission to use intellectual property or other rights.

Related parties: Buyer and seller connected through specified ownership, control, management, employment, partnership, or family relationships.

Circumstances-of-sale test: An examination of commercial facts used to determine whether a relationship influenced price.

Test value: A comparable value used as evidence in assessing related-party pricing.

Identical goods: Goods the same in relevant respects, subject only to permitted minor differences.

Similar goods: Goods with like characteristics, functions, and commercial interchangeability.

Deductive value: A customs value derived from domestic resale prices after permitted deductions.

Computed value: A value constructed from materials, fabrication, profit, general expenses, and specified costs.

Fall-back method: A reasonable method consistent with WTO valuation principles when earlier methods cannot be applied.

Selling commission: A payment connected with selling imported goods, commonly considered for inclusion in customs value.

Buying commission: A payment to an agent acting for the buyer, potentially excludable when properly established.

Transfer pricing: The pricing of transactions between related enterprises for tax and managerial purposes.

Landed cost: The total cost of bringing goods to the relevant destination, including applicable duty, taxes, freight, and charges.

Ad valorem duty: Duty calculated as a percentage of customs value.

Valuation adjustment: An addition or deduction made to arrive at the legally correct customs value.

Review Questions

Short Answer Questions

1. Why is transaction value the preferred customs valuation method?
2. Does a related-party relationship automatically prevent use of transaction value? Explain.
3. What is an assist, and why must its value be allocated?
4. State the two principal questions used to analyze a royalty for customs purposes.
5. Distinguish customs value from customs duty.

Long Answer Questions

1. Explain the six WTO customs valuation methods and the sequence in which they are applied.
2. Discuss the relationship between transfer pricing and customs valuation, including why a tax authority’s acceptance of a transfer-pricing result does not automatically settle the customs issue.
3. Explain the treatment of commissions, packing, assists, royalties, licence fees, and seller proceeds under transaction value.
4. Describe the circumstances-of-sale and test-value approaches to related-party valuation.
5. Evaluate the governance and documentation controls that a multinational enterprise should implement for customs valuation.

Analytical / Application Questions

1. An importer declares an invoice value of $250,000. It separately paid $12,000 for a dutiable assist, $7,000 for a qualifying royalty, and $5,000 in selling commission. Freight and insurance to the port were $10,000. If the duty rate is 8%, calculate customs value and duty, assuming no amount is duplicated.
2. A parent company makes a year-end downward transfer-pricing adjustment covering 500 import entries, but the adjustment cannot be allocated to individual products or entries. Analyze the customs risks and propose a defensible compliance approach.
3. An importer pays a trademark fee based on domestic advertising and post-importation retail sales. The seller does not require payment of the fee as a condition of purchasing the goods. Analyze whether the payment should be added to customs value and identify the evidence needed for a final determination.

Multiple Choice Questions with Answers

Question 1

Which valuation method is normally applied first under the WTO customs valuation framework?

A. Deductive value

B. Transaction value

C. Computed value

D. Fall-back value

Correct Answer: B. Transaction value

Question 2

A related-party relationship between buyer and seller means that transaction value is:

A. Always prohibited

B. Automatically replaced by computed value

C. Usable only if the importer is publicly listed

D. Potentially usable if the relationship did not influence price and other conditions are met

Correct Answer: D. Potentially usable if the relationship did not influence price and other conditions are met

Question 3

Which item is most directly described as an assist?

A. A domestic import VAT refund

B. A buyer-supplied mould used to manufacture the imported goods

C. A post-importation retail discount unrelated to the seller

D. A customs broker’s unrelated office rent

Correct Answer: B. A buyer-supplied mould used to manufacture the imported goods

Question 4

An invoice price is $80,000 and qualifying additions are $5,000 and $3,000. What is customs value, assuming no deductions and no duplicated costs?

A. $82,000

B. $85,000

C. $88,000

D. $90,000

Correct Answer: C. $88,000

Question 5

Using a customs value of $120,000 and an ad valorem duty rate of 7.5%, the duty is:

A. $7,500

B. $8,000

C. $9,000

D. $12,000

Correct Answer: C. $9,000

Question 6

Which statement best describes the relationship between transfer pricing and customs valuation?

A. They are legally identical in every jurisdiction

B. Transfer-pricing documentation is always conclusive for customs

C. They have different purposes and may require reconciliation of related-party adjustments

D. Customs authorities cannot examine intercompany prices

Correct Answer: C. They have different purposes and may require reconciliation of related-party adjustments

Question 7

A royalty is most likely to be added to customs value when it:

A. Relates to imported goods and is a condition of their sale

B. Is paid only for unrelated domestic office space

C. Is always calculated as a percentage of company-wide profit

D. Is paid after importation in every case

Correct Answer: A. Relates to imported goods and is a condition of their sale

Question 8

Which method begins with domestic resale prices and makes permitted deductions?

A. Computed value

B. Deductive value

C. Transaction value of identical goods

D. Fall-back value

Correct Answer: B. Deductive value

Question 9

If customs value is $100,000 and the duty rate is 10%, what is duty before any other taxes?

A. $1,000

B. $10,000

C. $90,000

D. $110,000

Correct Answer: B. $10,000

Question 10

Why does an Incoterm not by itself determine customs value?

A. Incoterms apply only to domestic sales

B. Incoterms replace tariff classification

C. Incoterms allocate commercial costs and risks but do not determine all statutory valuation additions

D. Incoterms are prohibited in customs documentation

Correct Answer: C. Incoterms allocate commercial costs and risks but do not determine all statutory valuation additions