Reducing a company's tax liability in a high-tax country through fictitious transactions or transfer pricing is very complex and is often considered illegal or unethical. Here are some of the strategies that companies may be accused of using, but it is important to note that these methods may violate the law and may result in serious legal consequences and reputational damage: 1. **Fictitious transactions**: Companies may create transactions that do not exist or exaggerate the transaction amounts to reduce the apparent taxable income. However, this behavior can result in heavy penalties if discovered by the tax authorities. 2. **Transfer pricing manipulation**: Multinational companies can shift profits from high-tax countries to low-tax countries by manipulating the pricing of goods, services or intellectual property between related companies. This usually involves the following methods: - **Cost reallocation**: Shifting production costs and human resource costs to high-tax countries, thereby reducing profits. - **Profit shifting**: Selling products or services at a low price to a related company in a low-tax country and then selling them at a high price in that country, thereby keeping most of the profits in the low-tax country. - **Debt instruments**: Internal loans are used to allow subsidiaries in high-tax countries to pay high interest to related companies in low-tax countries, thereby reducing taxable income. 3. **Intellectual property strategy**: Transfer ownership of intellectual property such as patents, trademarks and copyrights to subsidiaries in low-tax countries, and then companies in high-tax countries are required to pay royalties or royalties. 4. **Capital structure adjustment**: Through capital structure adjustments, such as increasing debt financing, increasing interest expenses to reduce taxable profits in high-tax countries. It is important that all transfer pricing needs to comply with international and local regulations, such as the OECD's transfer pricing guidelines, and companies must be able to provide detailed documentation to prove the rationality and market fairness of the transaction. Otherwise, companies may face the risk of back taxes, fines and legal proceedings. Any deliberate act of tax evasion is illegal, and companies should optimize taxes through legal and compliant means rather than taking illegal means. It is recommended that companies consult professional tax advisors to ensure compliance with laws and regulations.