https://www.grantthornton.de/en/insights/2026/federal-tax-court-judgement-first-ruling-on-the-deduction-ban-under-section-4i-of-the-income-tax-act/ Grant Thornton AG en 2026-09-03 Federal Tax Court judgement: First ruling on the deduction ban under section 4i of the Income Tax Act https://www.grantthornton.de/en/insights/2026/federal-tax-court-judgement-treatment-under-treaty-law-of-trade-tax-for-partnerships/ Grant Thornton AG en 2026-09-03 Federal Tax Court judgement: Treatment under treaty law of trade tax for partnerships https://www.grantthornton.de/themen/2026/urlaub-und-krankheit-was-arbeitgeber-wissen-muessen/ Deutschland - Grant Thornton de 2026-09-02 Urlaub und Krankheit – was Arbeitgeber wissen müssen https://www.grantthornton.de/en/insights/2026/federal-tax-court-judgement-taxation-of-the-takeover-profit-on-upstream-mergers-doubtful-under-eu-law/ Grant Thornton AG en 2026-09-02 Federal Tax Court judgement: Taxation of the takeover profit on upstream mergers doubtful under EU law