Colombia vs Monómeros Colombo Venezolanos SA, May 2025, Supreme Administrative Court, Case No. 08001-23-33-000-2019-00690-01 (25943)

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The case concerned the income tax return of Monómeros Colombo Venezolanos, a company based in Colombia. Following an audit the tax authorities had increased its reported income and disallowed deductions for interest on loans from its related company, Monómeros International Ltd., located in the British Virgin Islands.

The authorities argued that Monómeros’ transfer pricing documentation was deficient because it relied exclusively on foreign comparables and disregarded domestic comparables, which they considered more appropriate. They also rejected the comparables used to support the intercompany financing, which had been based on United States corporate bonds, finding them not sufficiently similar to the actual transactions.

In an appeal Monómeros argued that the adjustments ignored OECD guidelines, did not include proper comparability adjustments, and failed to account for market conditions and risks. The company maintained that its documentation proved that the transactions were consistent with the arm’s length principle, and that it had neither omitted income nor claimed improper deductions.

Judgment

The Supreme Administrative Court concluded that Monómeros had not managed to disprove the findings of the tax authorities. It held that the authorities were entitled to use both internal and external comparables, that the taxpayer had not demonstrated flaws in the adjustments, and that the rejection of the interest deductions was valid because the evidence offered was not sufficient.

The Court therefore confirmed the lower court’s judgment upholding the tax assessment and the penalty for incomplete or inaccurate transfer pricing documentation.
 

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