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TODAY'S ISSUES

GTC Quarterly

Find out the latest Global Tax Controversy Cases 

𝐆𝐞𝐫𝐦𝐚𝐧 𝐂𝐨𝐧𝐬𝐭𝐢𝐭𝐮𝐭𝐢𝐨𝐧𝐚𝐥 𝐂𝐨𝐮𝐫𝐭 𝐔𝐩𝐡𝐨𝐥𝐝𝐬 𝐎𝐄𝐂𝐃-𝐁𝐚𝐬𝐞𝐝 𝐌𝐞𝐭𝐡𝐨𝐝𝐬 𝐢𝐧 𝐓𝐢𝐦𝐛𝐞𝐫 𝐓𝐫𝐚𝐧𝐬𝐟𝐞𝐫 𝐏𝐫𝐢𝐜𝐢𝐧𝐠 𝐂𝐚𝐬𝐞

27 May 2025 Germany’s Constitutional Court examined whether Section 1 of the Foreign Tax Act was constitutionally applied in a dispute involving Timber GmbH & Co. KG. The taxpayer challenged profit adjustments made by the tax authority, arguing that the use of OECD-aligned methods exceeded administrative discretion.   The Court disagreed, holding that the comparable profits and resale price methods were appropriate tools for assessing the arm’s length nature of the company’s

Taiwan Court Upholds Cost-Plus Method in Contract Manufacturing Dispute

December 2020 Taiwan’s Supreme Administrative Court reviewed a dispute concerning Weitian Technology’s pricing of contract manufacturing services for a foreign affiliate. Tax authorities applied the Cost-Plus Method, asserting that Weitian’s margins fell below independent benchmarks. Although the taxpayer argued that the TNMM was more appropriate due to functional differences, the Court held that Cost-Plus better reflected the economic reality of its limited-risk manufacturin

𝐔.𝐒. 𝐂𝐨𝐮𝐫𝐭 𝐑𝐞𝐢𝐧𝐟𝐨𝐫𝐜𝐞𝐬 𝐒𝐮𝐛𝐬𝐭𝐚𝐧𝐜𝐞-𝐎𝐯𝐞𝐫-𝐅𝐨𝐫𝐦 𝐢𝐧 𝟑𝐌 𝐓𝐫𝐚𝐧𝐬𝐟𝐞𝐫 𝐏𝐫𝐢𝐜𝐢𝐧𝐠 𝐑𝐮𝐥𝐢𝐧𝐠

October 1, 2025 The U.S. Court of Appeals revisited disputes over the valuation of intangible property transferred to foreign affiliates under a cost-sharing arrangement. The IRS contended that 3M understated the value of its intangibles, failing to meet the “commensurate with income” standard of IRC Section 482. The Court upheld the IRS’s income-based valuation, recognizing the use of post-transaction profit evidence to test arm’s length results. By endorsing the IRS’s appro

Swiss Court Tightens Scrutiny on Intra-Group Service Charges

May 2023 The Swiss Federal Administrative Court assessed the deductibility of intercompany service fees and management charges between two related entities. The Swiss tax authority argued the charges lacked commercial justification and duplicated group-wide services, asserting they failed the arm’s length principle. The Court agreed, concluding the taxpayer did not sufficiently prove measurable benefits arising from the services rendered. By affirming the tax authority’s posi

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