The following are some methods and rationales that some companies may take, but it should be noted that the following information is for academic discussion and information exchange only and does not constitute any legal, tax or financial advice. Before implementing any tax planning strategy, companies should consult professional advisors and ensure that they comply with local laws and regulations. 1. Utilize low-tax or zero-tax jurisdictions (tax havens): Companies may set up subsidiaries or holding companies in low-tax or zero-tax countries/regions to reduce the overall group tax burden by arranging part of the profits or intellectual property rights in these jurisdictions. Common methods include setting up shell companies or special purpose entities to hold intangible assets (such as trademarks and patents) in tax-favored locations and collecting royalties, thereby transferring profits in the form of royalties. 2. Transfer pricing arrangements: Companies operating in multiple countries can adjust the profit distribution between various related companies based on the price setting of internal funds and goods and services. By setting favorable transfer prices between high-tax countries and low-tax countries, companies can make the profits of entities in high-tax countries less and the profits of entities in low-tax or no-tax countries more, thereby reducing the overall tax burden. It should be noted that tax authorities in various countries are highly sensitive to transfer pricing issues and require companies to provide sufficient pricing documents to prove the rationality of pricing. 3. Hybrid Mismatch Arrangement: Companies may use different definitions of financial instruments, entities and transactions in different jurisdictions to construct cross-border structures so that a certain expenditure can be treated as a tax deductible expense in one country, but not as income in the receiving country. Such a structure takes advantage of differences in international rules to achieve the effect of double deduction or tax exemption. 4. Internal Financing and Debt Arrangement: In many countries, interest expenses can be deducted from pre-tax profits. Therefore, companies transfer profits to parent companies in high-tax countries in the form of expenses (interest) through internal loans, cross-border debt arrangements, and even internal capital market operations, so that taxes can be reduced in these countries. At the same time, capital structure arrangements in less regulated countries can optimize financing costs and pre-tax income distribution globally. 5. Corporate Restructuring and Regional Headquarters Strategy: Companies may set up headquarters or decision-making centers in countries with lower tax rates or attractive tax policies through corporate restructuring, corporate mergers or spin-offs. For example, the "corporate headquarters" strategy helps companies to unify global management, optimize asset and resource allocation, and effectively reduce global tax burdens. Some countries or regions offer tax incentives, such as innovation and R&D credits, talent introduction incentives, etc., which have also become important considerations for corporate tax planning. 6. International tax agreements and treaty shopping: When companies use double taxation agreements between countries, they may "shop" for the most favorable treaty arrangements by setting up intermediate entities to reduce withholding taxes or avoid double taxation. However, in recent years, multilateral cooperation and rules (such as the BEPS Action Plan) have strengthened supervision of treaty abuse, and companies must be very cautious when adopting treaty shopping. 7. Use of financial derivatives and structured transactions: Some companies may also design transaction structures that use derivatives or other financial instruments to optimize the attribution and timing of income and expenses between different jurisdictions to achieve the effect of reducing the current or overall tax burden. Such structures are usually more complex and require interdisciplinary tax, financial and legal knowledge. In general, the logic behind companies using tax avoidance arrangements and complex financial structures to reduce tax costs is: • Optimize profit distribution globally and realize as much profit as possible in countries with low or preferential tax systems. • "Transfer" profits from high-tax countries through internal transactions, transfer pricing and cross-border financing arrangements. • Use double taxation agreements and international rule differences to exploit tax loopholes or differences between different jurisdictions to minimize tax burdens. However, these operations are often in a legal gray area and are vulnerable to the impact of international tax transparency and anti-tax avoidance rules (such as the OECD's BEPS project and anti-tax avoidance regulations of various countries). Tax authorities in various countries are constantly improving regulations to crack down on excessive tax avoidance and tend to re-examine cross-border transactions and the reasonable distribution of profits between related companies. Therefore, although companies can construct complex financial and corporate structures to reduce taxes, such operations need to balance compliance risks and the attention and countermeasures of the public and regulatory authorities. In summary: Companies can achieve the goal of optimizing global tax burdens by selecting appropriate tax jurisdictions, optimizing internal transaction pricing, designing cross-border debt and capital structures, and using international tax agreements and innovative transaction tools. But as global anti-tax avoidance rules strengthen, the sustainability and legality of these arrangements are facing increasingly severe challenges.