Thin-capitalisation rules are rules applied by a number of countries in order to protect their national tax base from erosion by companies that have a relatively high level of debt compared to equity. Indeed, the tax treatment of dividend distributions and interest payments differs significantly and this in return has an effect on the amount of profit a company reports for tax purposes. Country tax rules typically allow a deduction for interest paid or payable in arriving at the tax measure of profit. The higher the level of debt in a company, and thus the amount of interest it pays, the lower its taxable profit will be. For this reason, debt is often a more tax efficient method of finance than equity. In recent years, countries all over the world and even more so the Member States of the European Union and the Organisation for Economic Cooperation and Development (OECD) have been trying to combat the negative effect this difference in taxation has on their economies.However, Member States of the European Union are bound by EU law and its provisions on the non-discrimination of companies coming from other European Member States.The focus of this article is Croatian thin-capitalisation rules and their effect. The main hypothesis is that Croatian rules on thin-capitalisation are contrary to EU law. In order to demonstrate this, the author first explains what the rules on thin-capitalisation are and what kind of thin-capitalisation rules exist. Subsequently, the author analyses the relevant provisions of EU law, as well as the case law of the Court of Justice of the European Union regarding thin-capitalisation rules. This analysis is then applied to the existing Croatian rules and finally a conclusion is made as to their potentially discriminatory effect. Finally, the author examines several ways a potentially incompatible thin-capitalisation rule can be made compatible with EU law.

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关于克罗地亚限制财务费用可抵扣措施的结构的思考：效率与兼容性

资本稀疏化规则是许多国家/地区采用的规则，目的是保护其国家税基不受与股权相比债务较高的公司的侵蚀。实际上，股息分配和利息支付的税收处理方式有很大不同，这反过来又影响了公司出于税收目的报告的利润额。国家税收规则通常允许扣除为获得利润的税收计量而应支付或应付的利息。公司的债务水平越高，因此它支付的利息金额就越低，其应税利润也就越低。出于这个原因，债务通常是比股本更具税收效率的融资方法。近年，全世界的国家，甚至更多国家，因此，欧盟成员国和经济合作与发展组织（OECD）一直在努力消除这种税收差异对其经济的负面影响。欧盟受欧盟法律及其关于不歧视来自其他欧洲成员国的公司的规定的约束。本文的重点是克罗地亚的薄资本化规则及其效果。主要假设是，克罗地亚关于弱资本化的规则违反了欧盟法律。为了证明这一点，作者首先解释了关于精简资本化的规则是什么以及存在哪种精简资本化规则。随后，作者分析了欧盟法律的相关规定，以及欧盟法院关于薄资本化规则的判例法。然后将这种分析应用于现有的克罗地亚规则，最后就其潜在的歧视性作用得出结论。最后，作者研究了使潜在不兼容的瘦资本化规则与欧盟法律兼容的几种方法。