Determining and Assessing the Customer List in Italian Operations Wind-Downs and Cross-Border Transfers

• Andrea Lovisatti

Disclaimer: This article is intended for general informational purposes only and does not constitute legal, tax, or professional advice. The information provided may not be applicable to your specific circumstances, and tax laws are subject to change. Readers should consult with qualified tax and legal professionals for advice tailored to their individual situations.

1. Introduction and Context

A fundamental issue in the context of an Italian subsidiary's closure—whether a distributor or producer/distributor—is the fate of its market presence. Should another group entity absorb the Italian customer base previously served by the dissolving operation, this action constitutes an identifiable transfer of an intangible asset, specifically the customer list.

The Customer List typically includes customer names, contact details, purchase histories, preferences, and other pertinent data that facilitate continued business with those customers. For the asset to be recognized and valued separately from goodwill, the customer list must meet the "identifiability" criterion: it should be separable, meaning it can be sold, licensed, or transferred independently. Unlike general customer goodwill or reputation, the list is a tangible set of data that directly contributes to future economic benefits controlled by the company.

Customer list value varies significantly across industries, depending largely on factors such as the complexity of maintaining customer relationships, the regulatory environment, and the difficulty of acquiring new customers.

In Italy, the healthcare and medical equipment sector places a particularly high value on customer lists due to the complexity of authorizations required to operate and sell products. Regulatory barriers create significant entry hurdles, making an established network of authorized suppliers and customers a highly valuable intangible asset. Other industries known for higher customer list value include:

Conversely, industries with lower entry barriers or more commoditized customer bases—such as e-commerce retail or basic consumer goods—generally see lower relative value assigned to customer lists.

This transfer must be formally recognized, accurately quantified for its arm's length value, regulated under relevant frameworks, and assessed for potential immediate or deferred taxation. In contemporary business practice, the customer list represents a critical intangible asset, particularly in industries where customer retention, brand loyalty, and repeat transactions are pivotal to sustaining enterprise value.

Italian Supreme Court (Corte di Cassazione) Decision No. 19954 of July 13, 2021 conclusively established the customer list as a valuable asset deserving legal protection, clarifying that the misappropriation of a competitor's client list can constitute "appropriation of the merits of others" under Article 2598, paragraph 1, no. 2 of the Italian Civil Code.

In cross-border business reorganizations, conversions, or restructurings, the determination of the fair value of such assets is essential, as the taxation of the customer list at the corporate rate of 24% is invariably subject to the arm's length principle for related-party transactions, irrespective of any contractual arrangements between associated entities.

2. The Critical Role of Impartial Valuation

In transactional and restructuring contexts, particularly during the closure or downsizing of an Italian subsidiary, the accurate and impartial valuation of the customer list is critical. This valuation protects the Headquarter (HQ) from two core risks:

A critical and often overlooked compliance requirement is that transfer pricing documentation must be prepared contemporaneously with the transaction. Documentation prepared ex post does not constitute a valid defence against penalties under Italian law or OECD guidelines. The HQ must ensure that a defensible valuation report exists before the transfer is executed.

3. Valuation Methodologies

3.1. Income Approach

The income approach is widely regarded as the most robust and defensible method for valuing customer lists, as it directly quantifies the future economic benefits attributable to the asset.

Multi-Period Excess Earnings Method (MPEEM)

The MPEEM is considered the gold standard for valuing customer lists due to its specific focus on isolating the economic benefits directly generated by the customer base. This method projects future revenues derived from existing customers and their associated profit margins, and then deducts "contributory asset charges"—hypothetical returns attributed to all other tangible and intangible assets (working capital, fixed assets, trademarks, technology, and assembled workforce) that are also essential to generate those cash flows. By subtracting these charges, the MPEEM precisely isolates the excess earnings solely attributable to the customer list itself. The precise calculation of contributory asset charges is where many valuations fail, and this is precisely the area most closely scrutinized by the Agenzia delle Entrate.

Relief from Royalty Method

This method posits that the value of the customer list is equivalent to the present value of the hypothetical royalties the owner would avoid paying if it were required to license the customer relationships from a third party. It is particularly useful when future cash flow forecasts are uncertain due to volatile markets or incomplete historical data.

3.2. Market Approach

The market approach derives the value of customer lists by referencing prices paid in actual transactions involving comparable assets. This method involves identifying and analysing recent transactions deemed comparable to the subject customer list. Common multiples include transaction value relative to revenue generated by the customer base. A principal challenge remains the identification of truly comparable transactions, which in practice renders this approach a secondary check rather than a primary methodology.

3.3. Cost Approach

The cost approach estimates the value of a customer list based on the economic principle that a prudent investor would not pay more for an asset than the cost to acquire or create an equivalent benefit. Two distinct variants must be distinguished:

Reproduction Cost: quantifies the exact cost required to duplicate the existing customer list—same contacts, same data, same segmentation—in its precise form.

Replacement Cost: estimates the cost to create an asset that delivers an equivalent economic benefit to the subject customer list, without necessarily replicating it exactly. This is broader and typically higher than reproduction cost where the existing list benefits from established relationships that cannot be replicated by data alone.

This distinction is material in practice: the Agenzia delle Entrate may challenge a reproduction cost valuation that fails to account for the embedded relational value of long-standing customer relationships.

4. Critical Valuation Factors and Italian Compliance

In applying any valuation methodology, professionals must give due consideration to several essential factors:

The Italian Valuation Standards (Principi Italiani di Valutazione, PIV) provide authoritative guidelines on the valuation of intangible assets, explicitly encompassing customer relationships, and require the use of internationally recognized income, market, and cost approaches. These standards must be applied consistently with OECD Transfer Pricing Guidelines Chapter VI on intangibles.

4.1. Impact of Italian e-Invoicing (SdI) on Customer List Valuation

A development specific to the Italian context that is increasingly relevant for valuation practitioners is Italy's mandatory B2B and B2C electronic invoicing via the Sistema di Interscambio (SdI) platform, mandatory since 2019 for B2B and progressively extended to all transactions. Italy now holds one of the most comprehensive transactional databases in the world.

This has a direct and material impact on customer list valuation:

5. Italian Legal and Tax Precedents

The Italian legal and tax environment features specific precedents that fundamentally shape the handling of customer lists during a corporate exit.

5.1. Classification as Separate Asset vs. Going Concern (Cessione di Azienda)

Italian Supreme Court Decisions No. 897/2002 and No. 206/2003, and Italian Revenue Agency's Ruling Answer No. 466/2019, clarify that the transfer of a customer list alone does not constitute the transfer of a going concern (cessione di azienda), as it lacks the organizational structure necessary to operate autonomously. Consequently, the transfer must be classified as the sale of an individual intangible asset.

This distinction has critical tax consequences for the CFO:

5.2. Transfer Pricing and Intangibles Scrutiny (Fiscal Risk)

Corte di Cassazione No. 27361/2016 (Philip Morris case) established that the Tax Agency can challenge and disregard the values assigned to transferred intangibles if the remuneration of Italian assets—trademarks, goodwill, or customer lists—is deemed insufficient compared to the returns retained by foreign entities within the same group. Cassazione Ord. No. 26432/2024 (Ilapak S.p.A. case) further confirms the scrutiny applied to transfer pricing methodology selection in cross-border transactions involving intangibles, specifically the appropriateness of applying CUP versus TNMM in distribution-to-HQ conversion scenarios.

When a customer list is transferred to a related entity, it must be valued at arm's length, triggering full transfer pricing documentation requirements under the Provvedimento Agenzia delle Entrate of 23 November 2020 (Master File and Country File). Penalty protection under Article 26 of D.Lgs. 78/2010 is available only when contemporaneous documentation meeting these formal requirements has been filed.

The Italian legal and regulatory framework in this area is primarily governed by Article 110, paragraph 7 of the TUIR (as amended by D.Lgs. 147/2015, Decreto Internazionalizzazione), which codifies the arm's length principle for intra-group transactions.

5.3. Exit Tax and the ATAD Deferral Mechanism

Where the customer list forms part of a broader transfer of assets in connection with an Italian entity’s closure or conversion, the Italian exit tax provisions under Article 166 of the TUIR apply. Following transposition of the EU Anti-Tax Avoidance Directive (ATAD) via D.Lgs. 142/2018, Italian law now permits deferral of the exit tax in instalments over five years where assets are transferred to another EU or EEA jurisdiction. It should be noted, however, that in the case of EEA (non-EU) jurisdictions, the deferral is available only where Italy has concluded a mutual assistance and recovery agreement with the destination country enabling effective tax collection; absent such an agreement, immediate taxation applies.

This deferral is not automatic: the taxpayer must elect it and satisfy specific conditions, including the maintenance of the transferred assets within the EU/EEA. Failure to comply triggers immediate crystallisation of the deferred tax. CFOs planning cross-border transfers should factor the deferral election into their exit timeline and cash-flow projections from the outset.

5.4. Permanent Establishment (PE) Risk

Corte di Cassazione No. 16670/2017 (S.A.R.M.I. case) is relevant to defining when the activities of an agent or distributor—often relying on a local customer network—can create an Italian Permanent Establishment. The strategic ownership or continued use of the Italian customer list by a foreign entity that actively drives revenue within Italian territory could raise questions about the existence or attribution of profits to an Italian PE, leading to tax liabilities even after the subsidiary's formal closure.

This risk has been significantly reinforced by the OECD BEPS Action Plan (Actions 7 and 9) and the revised OECD Transfer Pricing Guidelines (2022 edition), which introduce the concept of Significant People Functions (SPF). Under the SPF analysis, the attribution of profits to a PE—or to the entity that retains the customer list—follows the location of the key decision-making personnel who manage and exploit the intangible, not merely where the asset is legally registered. HQs assuming an Italian customer list must therefore demonstrate that substantive control and management of those relationships has genuinely migrated to the HQ jurisdiction.

5.5. Interpello Preventivo: Managing Uncertainty Before the Transfer

For transactions of this complexity, the interpello preventivo (ruling request) under Article 11 of Law 212/2000 (Statuto dei Contribuenti) is an underutilised but highly effective risk-management tool. A ruling request submitted to the Agenzia delle Entrate before executing the transfer can provide binding certainty on the tax treatment, arm's length value, and PE exposure. For transactions where the valuation is genuinely uncertain or methodologically contentious, the interpello probatorio (a specific subtype for transfer pricing) allows the taxpayer to obtain advance confirmation that the chosen methodology and documentation will not be challenged.

The interpello process requires significant lead time—typically 90 to 120 days from submission for a standard ruling, with potential extensions of up to 60 days where the Agenzia delle Entrate issues a request for additional information—and must be built into the exit project timeline from the outset. In practice, CFOs managing a wind-down should treat the interpello filing deadline as a hard project milestone, not an afterthought. The ruling is particularly advisable where the customer list represents a material portion of Italian enterprise value—typically where the annual revenue attributable to the customer base exceeds EUR 5–10 million.

5.6. DAC6 Mandatory Disclosure Obligations

Cross-border transfers of customer lists or other intangibles within the context of a group restructuring may trigger mandatory disclosure obligations under Council Directive (EU) 2018/822 (DAC6), transposed into Italian law by D.Lgs. 100/2020. DAC6 requires intermediaries (and, in their absence, the taxpayer directly) to report cross-border arrangements that meet one or more specified “hallmarks” to the competent tax authority, within 30 days of the arrangement becoming available for implementation.

Two hallmark categories are particularly relevant to customer list transfers. Hallmark E.2 covers arrangements involving the transfer of “hard-to-value intangibles”—defined as intangibles for which, at the time of transfer, no reliable comparables exist and the projections of future cash flows or income are highly uncertain. A customer list valued using MPEEM with significant judgment on attrition rates and useful life will frequently fall within this category. Hallmark C.4 covers arrangements that include steps to convert income into capital gains, gifts, or other lower-taxed categories. Where the restructuring involves a conversion from a fully-fledged distributor to a limited-risk entity or a pure commissionnaire, the associated recharacterisation of future Italian profits may trigger this hallmark.

The CFO must ensure that both the Italian subsidiary and the HQ jurisdiction conduct a DAC6 hallmark analysis before the transaction is finalised. Where the HQ is located in a non-EU jurisdiction (e.g., the United States or the United Kingdom post-Brexit), the reporting obligation falls exclusively on the Italian entity or its Italian advisors. Failure to file a required DAC6 report in Italy attracts penalties of EUR 3,000 to EUR 31,500 per reportable arrangement under D.Lgs. 100/2020.

5.7. Tax Step-Up and Amortisation in the HQ Jurisdiction

The article has so far focused on the Italian entity’s exposure as the transferor. Equally important—and frequently overlooked in exit planning—is the acquirer’s position at the HQ level. The arm’s length transfer price paid by the HQ for the customer list should, in principle, be recognised as the tax cost basis (step-up) of the asset in the HQ jurisdiction, enabling amortisation of that cost over the asset’s useful life for local tax purposes.

However, this step-up is not guaranteed. Several complications commonly arise in practice. First, certain HQ jurisdictions (notably some EU member states operating participation exemption or territorial regimes) may not recognise intra-group intangible transfers as giving rise to a deductible cost basis at all, treating the transfer as a contribution rather than a purchase. Second, where the HQ jurisdiction applies a “low-value intangible” threshold or a simplified approach for related-party acquisitions, the full transfer price may not be accepted as the amortisable base without local corroboration. Third, and most critically, if the transfer price adopted in Italy differs from the value accepted by the HQ jurisdiction’s tax authority—for example, because the HQ jurisdiction applies a different methodology or useful life assumption—the group faces economic double taxation on the same economic value: taxed once in Italy as a capital gain, and taxed again at HQ level because the corresponding deduction is denied or reduced.

To mitigate this risk, the valuation report and transfer pricing documentation should be designed as a bilaterally defensible instrument from the outset—one that can withstand scrutiny in both the Italian and HQ jurisdictions simultaneously. Where bilateral risk is material, a bilateral Advance Pricing Agreement (APA) between Italy and the HQ jurisdiction, under Article 31-ter of the TUIR and the relevant double tax treaty, is the most robust long-term solution, albeit the most time-consuming (typically two to four years to conclude).

6. Conclusion and Key Tax Risks

The winding down of a local corporate entity does not automatically dissolve its economic value or intangible assets, particularly where the HQ intends to preserve and continue serving the Italian market. In such exit scenarios, the critical strategic and tax challenge is the survival of intangibles beyond the corporate structure that generated them.

Among these surviving assets, the customer list is an essential intangible that must be meticulously investigated, valued, and formally transferred to ensure tax compliance. Its valuation is not merely an accounting exercise but a mandatory component of the Transfer Pricing framework, requiring contemporaneous documentation, a defensible methodology (MPEEM remaining the robust standard), and in complex cases, advance clearance through an interpello.

Key risk areas for the CFO to address before executing the transfer:

Specialized tax planning and conflict-free project management are essential to navigate these risks during the exit phase. The interaction between Italian domestic law, OECD Transfer Pricing Guidelines, ATAD provisions, and the SdI data infrastructure creates a compliance environment that is both highly verifiable and increasingly unforgiving of errors made at the planning stage.