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In Luxembourg and Fiat Chrysler Finance Europe v Commission (Joined Cases T-755/15 and T-759/15, 24 Sep 2019), the EU General Court upheld the Commission’s view that a Luxembourg tax ruling for Fiat’s treasury company (FFT) endorsed transfer pricing that understated taxable profits and therefore granted unlawful State aid. The CJEU annulled the Commission decision in 2022.
The Commission assessed whether Luxembourg’s ruling reduced FFT’s corporate tax burden compared with “normal” taxation, and treated the general Luxembourg corporate income tax system as the reference framework. It used an arm’s-length benchmark to test whether FFT’s intra-group pricing produced a reliable approximation of market conditions. On the facts, the Commission criticised several inputs and structural choices in the approved methodology: using hypothetical Basel II capital (instead of accounting equity) as the profit level indicator; alleged errors that further reduced that capital amount; assigning no remuneration to equity linked to participations; and selecting parameters (including a low beta) that produced a low return.
Luxembourg and FFT argued that the Commission had overstepped in direct tax matters by applying an autonomous EU arm’s-length standard, that the ruling complied with Luxembourg’s own transfer pricing rules (Article 164(3) and Circular 164/2), and that the methodology fell within acceptable transfer pricing discretion. They also challenged the findings on selectivity, effect on trade/competition, and the legality of recovery.
The General Court dismissed both actions and upheld the Commission decision. It confirmed that State aid control can apply to tax rulings and accepted that, where the national system aims to tax integrated and stand-alone companies comparably, the Commission may use an arm’s-length benchmark to test whether a ruling lowers the taxable base. The Court endorsed the Commission’s conclusion that the ruling’s capital and return settings produced an unduly low taxable profit and thus an advantage, and it upheld selectivity and the recovery order. In 2022, the CJEU set aside this judgment and annulled the Commission decision.
For practical guidance on defending intra-group funding outcomes, see our article on Documentation for Financial Transactions. For the core concept underpinning transfer pricing (and debated in EU tax ruling cases), review the Arm's Length Principle.
Q1: What was the measure challenged as State aid?
A Luxembourg advance tax ruling (APA-style) endorsing a transfer pricing method for FFT’s annual Luxembourg corporate income tax base.
Q2: What transfer pricing approach did the ruling approve?
A TNMM-type approach using (i) “capital at risk” derived by applying Basel II by analogy, remunerated with a CAPM return, plus (ii) a low interest-rate remuneration on another equity segment, and (iii) zero remuneration on equity linked to certain participations.
Q3: Why did the Commission consider it an advantage?
Because the approved methodology allegedly produced a taxable profit below what would result under market-consistent pricing, reducing FFT’s tax liability (and therefore State resources).
Q4: What did the General Court decide in 2019?
It upheld the Commission, accepting the arm’s-length benchmark as a tool to test whether the ruling lowered FFT’s taxable base relative to normal taxation and confirming selectivity and recovery.
Q5: What changed in 2022?
The CJEU annulled the Commission decision, holding that the reference system and any arm’s-length assessment must be derived from national law, including the Member State’s detailed transfer pricing rules.